cc: Rename MockContentLayerClient to FakeContentLayerClient and move to cc/test/

cc/test/fake_content_layer_client.h

+// Copyright 2012 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.
+
+#include "cc/content_layer_client.h"
+
+namespace WebKitTests {
+
+class FakeContentLayerClient : public cc::ContentLayerClient {
+public:
+    FakeContentLayerClient();
+
+    virtual void paintContents(SkCanvas*, const gfx::Rect& rect, gfx::RectF& opaqueRect) OVERRIDE;
+
+    void setPaintAllOpaque(bool opaque) { m_paintAllOpaque = opaque; }
+
+private:
+    bool m_paintAllOpaque;
+};
+
+}  // namespace WebKitTests