Remove WebGraphicsContext3D getter from cc::ContextProvider

content/renderer/gpu/render_widget_compositor.cc

Index: content/renderer/gpu/render_widget_compositor.cc
diff --git a/content/renderer/gpu/render_widget_compositor.cc b/content/renderer/gpu/render_widget_compositor.cc
index 89c771249c6bf50c4696c9b6dce6835c46a2ed63..d4ee819fe49cd0a7694f3147121326755f81f9cc 100644
--- a/content/renderer/gpu/render_widget_compositor.cc
+++ b/content/renderer/gpu/render_widget_compositor.cc
@@ -28,6 +28,7 @@
 #include "content/public/common/content_switches.h"
 #include "content/renderer/input/input_handler_manager.h"
 #include "content/renderer/render_thread_impl.h"
+#include "gpu/command_buffer/client/gles2_interface.h"
 #include "third_party/WebKit/public/platform/WebSize.h"
 #include "third_party/WebKit/public/web/WebWidget.h"
 #include "ui/gl/gl_switches.h"
@@ -640,7 +641,7 @@ void RenderWidgetCompositor::DidAbortSwapBuffers() {
 void RenderWidgetCompositor::RateLimitSharedMainThreadContext() {
   cc::ContextProvider* provider =
       RenderThreadImpl::current()->SharedMainThreadContextProvider().get();
-  provider->Context3d()->rateLimitOffscreenContextCHROMIUM();
+  provider->ContextGL()->RateLimitOffscreenContextCHROMIUM();
 }
 
 }  // namespace content