Remove WGC3D::isContextLost references from cc

ui/compositor/layer.cc

Index: ui/compositor/layer.cc
diff --git a/ui/compositor/layer.cc b/ui/compositor/layer.cc
index a1184dd51f4cb6d79234a5c8b9ea62c97c1c3bf7..0add649c45165fc3b89b19929f35c553bad77753 100644
--- a/ui/compositor/layer.cc
+++ b/ui/compositor/layer.cc
@@ -20,6 +20,7 @@
 #include "cc/output/filter_operation.h"
 #include "cc/output/filter_operations.h"
 #include "cc/resources/transferable_resource.h"
+#include "third_party/WebKit/public/platform/WebGraphicsContext3D.h"
 #include "ui/compositor/compositor_switches.h"
 #include "ui/compositor/dip_util.h"
 #include "ui/compositor/layer_animator.h"
@@ -647,11 +648,15 @@ unsigned Layer::PrepareTexture() {
   return texture_->PrepareTexture();
 }
 
-WebKit::WebGraphicsContext3D* Layer::Context3d() {
-  DCHECK(texture_layer_.get());
+bool Layer::IsContextLost() {
+  if (texture_.get())
+    return texture_->HostContext3D()->isContextLost();
+  return false;
+}
+
+void Layer::RateLimitContext() {
   if (texture_.get())
-    return texture_->HostContext3D();
-  return NULL;
+    texture_->HostContext3D()->rateLimitOffscreenContextCHROMIUM();

[piman, 2013/11/01 23:15:35]

note: we don't use rate limiting for ui::Layer anyway, so you could just make
this NOTREACHED.

 }
 
 bool Layer::PrepareTextureMailbox(