Remove GLFrameData from CompositorFrame.

cc/test/test_hooks.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_TEST_TEST_HOOKS_H_
 #define CC_TEST_TEST_HOOKS_H_
 
 #include "base/macros.h"
 #include "cc/animation/animation_delegate.h"
 #include "cc/trees/layer_tree_host.h"
 #include "cc/trees/layer_tree_host_impl.h"
 
 namespace cc {
 
+class CompositorFrame;
+
 namespace proto {
 class CompositorMessageToImpl;
 }
 
 // Used by test stubs to notify the test when something interesting happens.
 class TestHooks : public AnimationDelegate {
  public:
   TestHooks();
   ~TestHooks() override;
 
@@ skipping 85 matching lines @@
                                double animation_start_time,
                                std::unique_ptr<AnimationCurve> curve) override {
   }
 
   virtual void RequestNewCompositorFrameSink() = 0;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_TEST_HOOKS_H_