1 files changed, 0 insertions, 236 deletions
diff --git a/chromium/third_party/blink/renderer/bindings/core/v8/script_promise_property_base.cc b/chromium/third_party/blink/renderer/bindings/core/v8/script_promise_property_base.cc
deleted file mode 100644
index dc117d2bd9e..00000000000
--- a/chromium/third_party/blink/renderer/bindings/core/v8/script_promise_property_base.cc
+++ /dev/null
@@ -1,236 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "third_party/blink/renderer/bindings/core/v8/script_promise_property_base.h"
-
-#include <memory>
-#include "third_party/blink/renderer/bindings/core/v8/v8_binding_for_core.h"
-#include "third_party/blink/renderer/core/execution_context/execution_context.h"
-#include "third_party/blink/renderer/platform/bindings/scoped_persistent.h"
-#include "third_party/blink/renderer/platform/bindings/script_state.h"
-
-namespace blink {
-
-ScriptPromisePropertyBase::ScriptPromisePropertyBase(
-    ExecutionContext* execution_context,
-    Name name)
-    : ContextClient(execution_context),
-      isolate_(execution_context->GetIsolate()),
-      name_(name),
-      state_(kPending) {}
-
-ScriptPromisePropertyBase::~ScriptPromisePropertyBase() {
-  // TODO(haraken): Stop calling ClearWrappers here, as the dtor is invoked
-  // during oilpan GC, but ClearWrappers potentially runs user script.
-  ClearWrappers();
-}
-
-ScriptPromise ScriptPromisePropertyBase::Promise(DOMWrapperWorld& world) {
-  if (!GetExecutionContext())
-    return ScriptPromise();
-
-  v8::HandleScope handle_scope(isolate_);
-  v8::Local<v8::Context> context = ToV8Context(GetExecutionContext(), world);
-  if (context.IsEmpty())
-    return ScriptPromise();
-  ScriptState* script_state = ScriptState::From(context);
-  ScriptState::Scope scope(script_state);
-
-  v8::Local<v8::Object> wrapper = EnsureHolderWrapper(script_state);
-  DCHECK(wrapper->CreationContext() == context);
-
-  v8::Local<v8::Value> cached_promise;
-  if (PromiseSymbol().GetOrUndefined(wrapper).ToLocal(&cached_promise) &&
-      cached_promise->IsPromise()) {
-    return ScriptPromise(script_state, cached_promise);
-  }
-
-  // Create and cache the Promise
-  v8::Local<v8::Promise::Resolver> resolver;
-  if (!v8::Promise::Resolver::New(context).ToLocal(&resolver))
-    return ScriptPromise();
-  v8::Local<v8::Promise> promise = resolver->GetPromise();
-  PromiseSymbol().Set(wrapper, promise);
-
-  switch (state_) {
-    case kPending:
-      // Cache the resolver too
-      ResolverSymbol().Set(wrapper, resolver);
-      break;
-    case kResolved:
-    case kRejected:
-      ResolveOrRejectInternal(resolver);
-      break;
-  }
-
-  return ScriptPromise(script_state, promise);
-}
-
-void ScriptPromisePropertyBase::ResolveOrReject(State target_state) {
-  DCHECK(GetExecutionContext());
-  DCHECK_EQ(state_, kPending);
-  DCHECK(target_state == kResolved || target_state == kRejected);
-
-  state_ = target_state;
-
-  v8::HandleScope handle_scope(isolate_);
-  wtf_size_t i = 0;
-  while (i < wrappers_.size()) {
-    const std::unique_ptr<ScopedPersistent<v8::Object>>& persistent =
-        wrappers_[i];
-    if (persistent->IsEmpty()) {
-      // wrapper has died.
-      // Since v8 GC can run during the iteration and clear the reference,
-      // we can't move this check out of the loop.
-      wrappers_.EraseAt(i);
-      continue;
-    }
-    v8::Local<v8::Object> wrapper = persistent->NewLocal(isolate_);
-    ScriptState* script_state = ScriptState::From(wrapper->CreationContext());
-    ScriptState::Scope scope(script_state);
-
-    V8PrivateProperty::Symbol symbol = ResolverSymbol();
-    DCHECK(symbol.HasValue(wrapper));
-    v8::Local<v8::Value> resolver_value;
-    if (!symbol.GetOrUndefined(wrapper).ToLocal(&resolver_value))
-      return;
-    symbol.DeleteProperty(wrapper);
-    ResolveOrRejectInternal(
-        v8::Local<v8::Promise::Resolver>::Cast(resolver_value));
-    ++i;
-  }
-}
-
-void ScriptPromisePropertyBase::ResetBase() {
-  CheckThis();
-  ClearWrappers();
-  state_ = kPending;
-}
-
-void ScriptPromisePropertyBase::ResolveOrRejectInternal(
-    v8::Local<v8::Promise::Resolver> resolver) {
-  v8::Local<v8::Context> context = resolver->CreationContext();
-  switch (state_) {
-    case kPending:
-      NOTREACHED();
-      break;
-    case kResolved:
-      resolver->Resolve(context, ResolvedValue(isolate_, context->Global()))
-          .ToChecked();
-      break;
-    case kRejected:
-      resolver->Reject(context, RejectedValue(isolate_, context->Global()))
-          .ToChecked();
-      break;
-  }
-}
-
-v8::Local<v8::Object> ScriptPromisePropertyBase::EnsureHolderWrapper(
-    ScriptState* script_state) {
-  v8::Local<v8::Context> context = script_state->GetContext();
-  wtf_size_t i = 0;
-  while (i < wrappers_.size()) {
-    const std::unique_ptr<ScopedPersistent<v8::Object>>& persistent =
-        wrappers_[i];
-    if (persistent->IsEmpty()) {
-      // wrapper has died.
-      // Since v8 GC can run during the iteration and clear the reference,
-      // we can't move this check out of the loop.
-      wrappers_.EraseAt(i);
-      continue;
-    }
-
-    v8::Local<v8::Object> wrapper = persistent->NewLocal(isolate_);
-    if (wrapper->CreationContext() == context)
-      return wrapper;
-    ++i;
-  }
-  v8::Local<v8::Object> wrapper = Holder(isolate_, context->Global());
-  std::unique_ptr<ScopedPersistent<v8::Object>> weak_persistent =
-      std::make_unique<ScopedPersistent<v8::Object>>();
-  weak_persistent->Set(isolate_, wrapper);
-  weak_persistent->SetPhantom();
-  wrappers_.push_back(std::move(weak_persistent));
-  DCHECK(wrapper->CreationContext() == context);
-  return wrapper;
-}
-
-void ScriptPromisePropertyBase::ClearWrappers() {
-  CheckThis();
-  CheckWrappers();
-  v8::HandleScope handle_scope(isolate_);
-  for (WeakPersistentSet::iterator i = wrappers_.begin(); i != wrappers_.end();
-       ++i) {
-    v8::Local<v8::Object> wrapper = (*i)->NewLocal(isolate_);
-    if (!wrapper.IsEmpty()) {
-      v8::Context::Scope scope(wrapper->CreationContext());
-      // TODO(peria): Use deleteProperty() if http://crbug.com/v8/6227 is fixed.
-
-      // Check whether the value has been set or not. Unfortunately, HasValue
-      // cannot be used as it triggers regular ScriptForbiddenScope through V8
-      // callbacks. GetOrUndefined avoids this because it does not enter a
-      // proper scope in V8.
-      v8::Local<v8::Value> cache;
-      if (ResolverSymbol().GetOrUndefined(wrapper).ToLocal(&cache) &&
-          !cache->IsUndefined()) {
-        ResolverSymbol().Set(wrapper, v8::Undefined(isolate_));
-      }
-      if (PromiseSymbol().GetOrUndefined(wrapper).ToLocal(&cache) &&
-          !cache->IsUndefined()) {
-        PromiseSymbol().Set(wrapper, v8::Undefined(isolate_));
-      }
-    }
-  }
-  wrappers_.clear();
-}
-
-void ScriptPromisePropertyBase::CheckThis() {
-  CHECK(this);
-}
-
-void ScriptPromisePropertyBase::CheckWrappers() {
-  for (WeakPersistentSet::iterator i = wrappers_.begin(); i != wrappers_.end();
-       ++i) {
-    CHECK(*i);
-  }
-}
-
-V8PrivateProperty::Symbol ScriptPromisePropertyBase::PromiseSymbol() {
-  switch (name_) {
-#define P(Interface, Name)                                                     \
-  case Name:                                                                   \
-    static const V8PrivateProperty::SymbolKey kPrivateProperty##Name##Promise; \
-    return V8PrivateProperty::GetSymbol(isolate_,                              \
-                                        kPrivateProperty##Name##Promise);
-
-    SCRIPT_PROMISE_PROPERTIES(P)
-
-#undef P
-  }
-  NOTREACHED();
-  return V8PrivateProperty::GetEmptySymbol();
-}
-
-V8PrivateProperty::Symbol ScriptPromisePropertyBase::ResolverSymbol() {
-  switch (name_) {
-#define P(Interface, Name)                        \
-  case Name:                                      \
-    static const V8PrivateProperty::SymbolKey     \
-        kPrivateProperty##Name##Resolver;         \
-    return V8PrivateProperty::GetSymbol(isolate_, \
-                                        kPrivateProperty##Name##Resolver);
-
-    SCRIPT_PROMISE_PROPERTIES(P)
-
-#undef P
-  }
-  NOTREACHED();
-  return V8PrivateProperty::GetEmptySymbol();
-}
-
-void ScriptPromisePropertyBase::Trace(blink::Visitor* visitor) {
-  ContextClient::Trace(visitor);
-}
-
-}  // namespace blink