Remove WGC3D::isContextLost references from cc

cc/test/test_context_provider.h

Index: cc/test/test_context_provider.h
diff --git a/cc/test/test_context_provider.h b/cc/test/test_context_provider.h
index 749cade51d47db0e848c34e419975bacc9a361a2..fcae55cc940a77cef274674e52f7b5e0298773de 100644
--- a/cc/test/test_context_provider.h
+++ b/cc/test/test_context_provider.h
@@ -31,6 +31,7 @@ class TestContextProvider : public cc::ContextProvider {
   virtual WebKit::WebGraphicsContext3D* Context3d() OVERRIDE;
   virtual gpu::ContextSupport* ContextSupport() OVERRIDE;
   virtual class GrContext* GrContext() OVERRIDE;
+  virtual bool IsContextLost() OVERRIDE;
   virtual void VerifyContexts() OVERRIDE;
   virtual bool DestroyedOnMainThread() OVERRIDE;
   virtual void SetLostContextCallback(const LostContextCallback& cb) OVERRIDE;
@@ -68,6 +69,7 @@ class TestContextProvider : public cc::ContextProvider {
 
   base::Lock destroyed_lock_;
   bool destroyed_;
+  bool context_lost_;
 
   LostContextCallback lost_context_callback_;
   SwapBuffersCompleteCallback swap_buffers_complete_callback_;