Remove WebKit::Platform dependencies from cc

cc/prioritized_texture_unittest.cc

Index: cc/prioritized_texture_unittest.cc
diff --git a/cc/prioritized_texture_unittest.cc b/cc/prioritized_texture_unittest.cc
index 3bf0f427181ce7488212d2d1daf124fd9194bd74..50d0356129f6bb324c08df27b78ea32e57c71311 100644
--- a/cc/prioritized_texture_unittest.cc
+++ b/cc/prioritized_texture_unittest.cc
@@ -10,7 +10,6 @@
 #include "cc/single_thread_proxy.h" // For DebugScopedSetImplThread
 #include "cc/test/fake_graphics_context.h"
 #include "cc/test/tiled_layer_test_common.h"
-#include "cc/test/web_compositor_initializer.h"
 #include "cc/texture.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -24,7 +23,6 @@ public:
     PrioritizedTextureTest()
         : m_textureSize(256, 256)
         , m_textureFormat(GL_RGBA)
-        , m_compositorInitializer(0)
         , m_context(WebKit::createFakeGraphicsContext())
     {
         DebugScopedSetImplThread implThread;
@@ -93,7 +91,6 @@ public:
 protected:
     const IntSize m_textureSize;
     const GLenum m_textureFormat;
-    WebCompositorInitializer m_compositorInitializer;
     scoped_ptr<GraphicsContext> m_context;
     scoped_ptr<ResourceProvider> m_resourceProvider;
 };