cc: Use the correct internal format for glCopyTexImage2D calls.

cc/test/pixel_test_delegating_output_surface.cc

Index: cc/test/pixel_test_delegating_output_surface.cc
diff --git a/cc/test/pixel_test_delegating_output_surface.cc b/cc/test/pixel_test_delegating_output_surface.cc
index a7ceef13160bfadc8a34a25c644a84e2b41793ff..d38b19c0de604b1fe89da130a98ff9619cd776d1 100644
--- a/cc/test/pixel_test_delegating_output_surface.cc
+++ b/cc/test/pixel_test_delegating_output_surface.cc
@@ -162,6 +162,17 @@ void PixelTestDelegatingOutputSurface::ForceReclaimResources() {
   }
 }
 
+void PixelTestDelegatingOutputSurface::BindFramebuffer() {
+  // This is a delegating output surface, no framebuffer/direct drawing support.
+  NOTREACHED();
+}
+
+uint32_t PixelTestDelegatingOutputSurface::GetFramebufferCopyTextureFormat() {
+  // This is a delegating output surface, no framebuffer/direct drawing support.
+  NOTREACHED();
+  return 0;
+}
+
 void PixelTestDelegatingOutputSurface::ReturnResources(
     const ReturnedResourceArray& resources) {
   CompositorFrameAck ack;