Remove WebKit::Platform dependencies from cc

cc/gl_renderer_unittest.cc

Index: cc/gl_renderer_unittest.cc
diff --git a/cc/gl_renderer_unittest.cc b/cc/gl_renderer_unittest.cc
index 9ada691c7001f6484f63913f8ddaa9323104d3a8..c4a13dff4802e2dd759bd296d837c1a576a235a7 100644
--- a/cc/gl_renderer_unittest.cc
+++ b/cc/gl_renderer_unittest.cc
@@ -13,7 +13,6 @@
 #include "cc/test/fake_web_compositor_output_surface.h"
 #include "cc/test/fake_web_graphics_context_3d.h"
 #include "cc/test/test_common.h"
-#include "cc/test/web_compositor_initializer.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/khronos/GLES2/gl2.h"
@@ -111,7 +110,6 @@ protected:
     GLRendererTest()
         : m_suggestHaveBackbufferYes(1, true)
         , m_suggestHaveBackbufferNo(1, false)
-        , m_compositorInitializer(0)
         , m_context(FakeWebCompositorOutputSurface::create(scoped_ptr<WebKit::WebGraphicsContext3D>(new FrameCountingMemoryAllocationSettingContext())))
         , m_resourceProvider(ResourceProvider::create(m_context.get()))
         , m_renderer(&m_mockClient, m_resourceProvider.get())
@@ -133,7 +131,6 @@ protected:
     WebGraphicsMemoryAllocation m_suggestHaveBackbufferYes;
     WebGraphicsMemoryAllocation m_suggestHaveBackbufferNo;
 
-    WebCompositorInitializer m_compositorInitializer;
     scoped_ptr<GraphicsContext> m_context;
     FakeRendererClient m_mockClient;
     scoped_ptr<ResourceProvider> m_resourceProvider;