BASELINE: Update Chromium to 67.0.3396.47

Change-Id: Idcb1341782e417561a2473eeecc82642dafda5b7
Reviewed-by: Michal Klocek <michal.klocek@qt.io>

1 files changed, 203 insertions, 0 deletions

diff --git a/chromium/third_party/blink/renderer/platform/bindings/wrapper_type_info.h b/chromium/third_party/blink/renderer/platform/bindings/wrapper_type_info.h
new file mode 100644
index 00000000000..201bf7ad516
--- /dev/null
+++ b/chromium/third_party/blink/renderer/platform/bindings/wrapper_type_info.h
@@ -0,0 +1,203 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_BINDINGS_WRAPPER_TYPE_INFO_H_
+#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_BINDINGS_WRAPPER_TYPE_INFO_H_
+
+#include "gin/public/wrapper_info.h"
+#include "third_party/blink/renderer/platform/bindings/active_script_wrappable_base.h"
+#include "third_party/blink/renderer/platform/heap/handle.h"
+#include "third_party/blink/renderer/platform/wtf/allocator.h"
+#include "third_party/blink/renderer/platform/wtf/assertions.h"
+#include "v8/include/v8.h"
+
+namespace blink {
+
+class DOMWrapperWorld;
+class ScriptWrappable;
+
+ScriptWrappable* ToScriptWrappable(
+    const v8::PersistentBase<v8::Object>& wrapper);
+ScriptWrappable* ToScriptWrappable(v8::Local<v8::Object> wrapper);
+
+static const int kV8DOMWrapperTypeIndex =
+    static_cast<int>(gin::kWrapperInfoIndex);
+static const int kV8DOMWrapperObjectIndex =
+    static_cast<int>(gin::kEncodedValueIndex);
+static const int kV8DefaultWrapperInternalFieldCount =
+    static_cast<int>(gin::kNumberOfInternalFields);
+static const int kV8PrototypeTypeIndex = 0;
+static const int kV8PrototypeInternalFieldcount = 1;
+
+typedef v8::Local<v8::FunctionTemplate> (
+    *DomTemplateFunction)(v8::Isolate*, const DOMWrapperWorld&);
+typedef ActiveScriptWrappableBase* (*ToActiveScriptWrappableFunction)(
+    v8::Local<v8::Object>);
+typedef void (*ResolveWrapperReachabilityFunction)(
+    v8::Isolate*,
+    ScriptWrappable*,
+    const v8::Persistent<v8::Object>&);
+typedef void (*InstallConditionalFeaturesFunction)(
+    v8::Local<v8::Context>,
+    const DOMWrapperWorld&,
+    v8::Local<v8::Object>,
+    v8::Local<v8::Object>,
+    v8::Local<v8::Function>,
+    v8::Local<v8::FunctionTemplate>);
+
+// This struct provides a way to store a bunch of information that is helpful
+// when unwrapping v8 objects. Each v8 bindings class has exactly one static
+// WrapperTypeInfo member, so comparing pointers is a safe way to determine if
+// types match.
+struct WrapperTypeInfo {
+  DISALLOW_NEW();
+
+  enum WrapperTypePrototype {
+    kWrapperTypeObjectPrototype,
+    kWrapperTypeNoPrototype,  // For legacy callback interface
+  };
+
+  enum WrapperClassId {
+    kNodeClassId = 1,  // NodeClassId must be smaller than ObjectClassId.
+    kObjectClassId,
+  };
+
+  enum ActiveScriptWrappableInheritance {
+    kNotInheritFromActiveScriptWrappable,
+    kInheritFromActiveScriptWrappable,
+  };
+
+  static const WrapperTypeInfo* Unwrap(v8::Local<v8::Value> type_info_wrapper) {
+    return reinterpret_cast<const WrapperTypeInfo*>(
+        v8::External::Cast(*type_info_wrapper)->Value());
+  }
+
+  static void WrapperCreated() {
+    ThreadState::Current()->Heap().HeapStats().IncreaseWrapperCount(1);
+  }
+
+  static void WrapperDestroyed() {
+    ThreadHeapStats& heap_stats = ThreadState::Current()->Heap().HeapStats();
+    heap_stats.DecreaseWrapperCount(1);
+    heap_stats.IncreaseCollectedWrapperCount(1);
+  }
+
+  bool Equals(const WrapperTypeInfo* that) const { return this == that; }
+
+  bool IsSubclass(const WrapperTypeInfo* that) const {
+    for (const WrapperTypeInfo* current = this; current;
+         current = current->parent_class) {
+      if (current == that)
+        return true;
+    }
+
+    return false;
+  }
+
+  void ConfigureWrapper(v8::PersistentBase<v8::Object>* wrapper) const {
+    wrapper->SetWrapperClassId(wrapper_class_id);
+  }
+
+  v8::Local<v8::FunctionTemplate> domTemplate(
+      v8::Isolate* isolate,
+      const DOMWrapperWorld& world) const {
+    return dom_template_function(isolate, world);
+  }
+
+  void InstallConditionalFeatures(
+      v8::Local<v8::Context> context,
+      const DOMWrapperWorld& world,
+      v8::Local<v8::Object> instance_object,
+      v8::Local<v8::Object> prototype_object,
+      v8::Local<v8::Function> interface_object,
+      v8::Local<v8::FunctionTemplate> interface_template) const {
+    if (install_conditional_features_function) {
+      install_conditional_features_function(context, world, instance_object,
+                                            prototype_object, interface_object,
+                                            interface_template);
+    }
+  }
+
+  bool IsActiveScriptWrappable() const {
+    return active_script_wrappable_inheritance ==
+           kInheritFromActiveScriptWrappable;
+  }
+
+  // This field must be the first member of the struct WrapperTypeInfo.
+  // See also static_assert() in .cpp file.
+  const gin::GinEmbedder gin_embedder;
+
+  DomTemplateFunction dom_template_function;
+  InstallConditionalFeaturesFunction install_conditional_features_function;
+  const char* const interface_name;
+  const WrapperTypeInfo* parent_class;
+  const unsigned wrapper_type_prototype : 2;  // WrapperTypePrototype
+  const unsigned wrapper_class_id : 2;        // WrapperClassId
+  const unsigned  // ActiveScriptWrappableInheritance
+      active_script_wrappable_inheritance : 1;
+};
+
+template <typename T, int offset>
+inline T* GetInternalField(const v8::PersistentBase<v8::Object>& persistent) {
+  DCHECK_LT(offset, v8::Object::InternalFieldCount(persistent));
+  return reinterpret_cast<T*>(
+      v8::Object::GetAlignedPointerFromInternalField(persistent, offset));
+}
+
+template <typename T, int offset>
+inline T* GetInternalField(v8::Local<v8::Object> wrapper) {
+  DCHECK_LT(offset, wrapper->InternalFieldCount());
+  return reinterpret_cast<T*>(
+      wrapper->GetAlignedPointerFromInternalField(offset));
+}
+
+// The return value can be null if |wrapper| is a global proxy, which points to
+// nothing while a navigation.
+inline ScriptWrappable* ToScriptWrappable(
+    const v8::PersistentBase<v8::Object>& wrapper) {
+  return GetInternalField<ScriptWrappable, kV8DOMWrapperObjectIndex>(wrapper);
+}
+
+inline ScriptWrappable* ToScriptWrappable(v8::Local<v8::Object> wrapper) {
+  return GetInternalField<ScriptWrappable, kV8DOMWrapperObjectIndex>(wrapper);
+}
+
+inline const WrapperTypeInfo* ToWrapperTypeInfo(
+    const v8::PersistentBase<v8::Object>& wrapper) {
+  return GetInternalField<WrapperTypeInfo, kV8DOMWrapperTypeIndex>(wrapper);
+}
+
+inline const WrapperTypeInfo* ToWrapperTypeInfo(v8::Local<v8::Object> wrapper) {
+  return GetInternalField<WrapperTypeInfo, kV8DOMWrapperTypeIndex>(wrapper);
+}
+
+}  // namespace blink
+
+#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_BINDINGS_WRAPPER_TYPE_INFO_H_