cc: Unify context losing machinery

cc/test/fake_web_graphics_context_3d.h

Index: cc/test/fake_web_graphics_context_3d.h
diff --git a/cc/test/fake_web_graphics_context_3d.h b/cc/test/fake_web_graphics_context_3d.h
index 8ef6cb9788aaa79b2e45b50b8ac664bcf055aa48..10485e076110ecfffc8756289c1efaead506699b 100644
--- a/cc/test/fake_web_graphics_context_3d.h
+++ b/cc/test/fake_web_graphics_context_3d.h
@@ -16,6 +16,8 @@ class FakeWebGraphicsContext3D : public WebKit::WebGraphicsContext3D {
 public:
     FakeWebGraphicsContext3D()
         : m_nextTextureId(1)
+        , m_contextLost(false)
+        , m_contextLostCallback(NULL)
     {
     }
 
@@ -39,6 +41,7 @@ public:
     virtual void synthesizeGLError(WebKit::WGC3Denum) { }
 
     virtual bool isContextLost();
+    virtual WebKit::WGC3Denum getGraphicsResetStatusARB();
 
     virtual void* mapBufferSubDataCHROMIUM(WebKit::WGC3Denum target, WebKit::WGC3Dintptr offset, WebKit::WGC3Dsizeiptr size, WebKit::WGC3Denum access);
 
@@ -236,9 +239,15 @@ public:
     virtual void getQueryivEXT(WebKit::WGC3Denum, WebKit::WGC3Denum, WebKit::WGC3Dint*) { }
     virtual void getQueryObjectuivEXT(WebKit::WebGLId, WebKit::WGC3Denum, WebKit::WGC3Duint*) { }
 
+    virtual void setContextLostCallback(WebGraphicsContextLostCallback* callback);
+
+    void loseContext();
+
 protected:
     unsigned m_nextTextureId;
     Attributes m_attrs;
+    bool m_contextLost;
+    WebGraphicsContextLostCallback* m_contextLostCallback;
 };
 
 }  // namespace cc