cc: Remove implicit conversions from Rect to RectF in src/cc/.

cc/test/test_context_support.h

 // Copyright 2013 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_CONTEXT_SUPPORT_H_
 #define CC_TEST_TEST_CONTEXT_SUPPORT_H_
 
 #include <vector>
 
 #include "base/memory/weak_ptr.h"
 #include "gpu/command_buffer/client/context_support.h"
 
+namespace gfx {
+class Rect;
+class RectF;
+}
+
 namespace cc {
 
 class TestContextSupport : public gpu::ContextSupport {
  public:
   TestContextSupport();
   ~TestContextSupport() override;
 
   // gpu::ContextSupport implementation.
   void SignalSyncPoint(uint32 sync_point,
                        const base::Closure& callback) override;
@@ skipping 31 matching lines @@
   ScheduleOverlayPlaneCallback schedule_overlay_plane_callback_;
 
   base::WeakPtrFactory<TestContextSupport> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TestContextSupport);
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_TEST_CONTEXT_SUPPORT_H_