[Backport][Windows] Remove unused sidestep intercepts.

This CL removes the unused sidestep intercepts and associated code.
The code was never ported to 64-bit and isn't used in 32-bit builds.

Task-number: QTBUG-108240
Bug: 1270309
Review-URL: https://chromium-review.googlesource.com/c/chromium/src/+/3324867
Cr-Commit-Position: refs/heads/main@{#950447}
Change-Id: Ib0e97a593b2218a6d93a99e16a55ff34f8607a61
Reviewed-on: https://codereview.qt-project.org/c/qt/qtwebengine-chromium/+/462007
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>

1 files changed, 3 insertions, 22 deletions

diff --git a/chromium/sandbox/win/src/interception_agent.cc b/chromium/sandbox/win/src/interception_agent.cc
index e095328a710..26e65dffb88 100644
--- a/chromium/sandbox/win/src/interception_agent.cc
+++ b/chromium/sandbox/win/src/interception_agent.cc
@@ -15,7 +15,6 @@
 #include "sandbox/win/src/interception_internal.h"
 #include "sandbox/win/src/interceptors.h"
 #include "sandbox/win/src/sandbox_nt_util.h"
-#include "sandbox/win/src/sidestep_resolver.h"
 
 namespace {
 
@@ -202,31 +201,13 @@ bool InterceptionAgent::PatchDll(const DllPatchInfo* dll_info,
 // This method is called from within the loader lock
 ResolverThunk* InterceptionAgent::GetResolver(InterceptionType type) {
   static EatResolverThunk* eat_resolver = nullptr;
-  static SidestepResolverThunk* sidestep_resolver = nullptr;
-  static SmartSidestepResolverThunk* smart_sidestep_resolver = nullptr;
 
   if (!eat_resolver)
     eat_resolver = new (NT_ALLOC) EatResolverThunk;
 
-#if !defined(_WIN64)
-  // Sidestep is not supported for x64.
-  if (!sidestep_resolver)
-    sidestep_resolver = new (NT_ALLOC) SidestepResolverThunk;
-
-  if (!smart_sidestep_resolver)
-    smart_sidestep_resolver = new (NT_ALLOC) SmartSidestepResolverThunk;
-#endif
-
-  switch (type) {
-    case INTERCEPTION_EAT:
-      return eat_resolver;
-    case INTERCEPTION_SIDESTEP:
-      return sidestep_resolver;
-    case INTERCEPTION_SMART_SIDESTEP:
-      return smart_sidestep_resolver;
-    default:
-      NOTREACHED_NT();
-  }
+  if (type == INTERCEPTION_EAT)
+    return eat_resolver;
+  NOTREACHED_NT();
 
   return nullptr;
 }