Reland of Move ScriptState::GetExecutionContext (Part 5)

third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp

Index: third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp
diff --git a/third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp b/third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp
index 1d5125ee59c317f28a82106e7af4bd3e1f00826c..f0449e4394878d25f29f793afc6610ad4f3f55f6 100644
--- a/third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp
+++ b/third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp
@@ -34,6 +34,7 @@
 #include "bindings/modules/v8/WebGLAny.h"
 #include "core/dom/DOMArrayBuffer.h"
 #include "core/dom/DOMTypedArray.h"
+#include "core/dom/ExecutionContext.h"
 #include "core/dom/FlexibleArrayBufferView.h"
 #include "core/dom/TaskRunnerHelper.h"
 #include "core/frame/ImageBitmap.h"
@@ -647,7 +648,7 @@
   DCHECK(!canvas || IsMainThread());
 
   auto execution_context = canvas ? canvas->GetDocument().GetExecutionContext()
-                                  : script_state->GetExecutionContext();
+                                  : ExecutionContext::From(script_state);
   Platform::ContextAttributes context_attributes = ToPlatformContextAttributes(
       attributes, web_gl_version,
       SupportOwnOffscreenSurface(execution_context));
@@ -655,7 +656,7 @@
   Platform::GraphicsInfo gl_info;
   std::unique_ptr<WebGraphicsContext3DProvider> context_provider;
   const auto& url = canvas ? canvas->GetDocument().TopDocument().Url()
-                           : script_state->GetExecutionContext()->Url();
+                           : ExecutionContext::From(script_state)->Url();
   if (IsMainThread()) {
     context_provider = WTF::WrapUnique(
         Platform::Current()->CreateOffscreenGraphicsContext3DProvider(
@@ -736,7 +737,7 @@
     ScriptState* script_state) {
   UseCounter::Feature feature =
       UseCounter::kOffscreenCanvasTransferToImageBitmapWebGL;
-  UseCounter::Count(script_state->GetExecutionContext(), feature);
+  UseCounter::Count(ExecutionContext::From(script_state), feature);
   if (!GetDrawingBuffer())
     return nullptr;
   return ImageBitmap::Create(GetDrawingBuffer()->TransferToStaticBitmapImage());
@@ -746,7 +747,7 @@
     ScriptState* script_state,
     ExceptionState& exception_state) {
   UseCounter::Feature feature = UseCounter::kOffscreenCanvasCommitWebGL;
-  UseCounter::Count(script_state->GetExecutionContext(), feature);
+  UseCounter::Count(ExecutionContext::From(script_state), feature);
   if (!offscreenCanvas()) {
     exception_state.ThrowDOMException(kInvalidStateError,
                                       "Commit() was called on a rendering "