Update references to Blink's Platform API headers

cc/trees/layer_tree_host_unittest_context.cc

 // 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/trees/layer_tree_host.h"
 
 #include "base/basictypes.h"
 #include "cc/base/thread_impl.h"
 #include "cc/layers/content_layer.h"
 #include "cc/layers/heads_up_display_layer.h"
@@ skipping 19 matching lines @@
 #include "cc/test/fake_web_scrollbar.h"
 #include "cc/test/fake_web_scrollbar_theme_geometry.h"
 #include "cc/test/layer_tree_test.h"
 #include "cc/test/render_pass_test_common.h"
 #include "cc/test/test_web_graphics_context_3d.h"
 #include "cc/trees/layer_tree_host_impl.h"
 #include "cc/trees/layer_tree_impl.h"
 #include "cc/trees/single_thread_proxy.h"
 #include "gpu/GLES2/gl2extchromium.h"
 #include "media/base/media.h"
-#include "third_party/WebKit/Source/Platform/chromium/public/WebFilterOperations.h"
+#include "third_party/WebKit/public/platform/WebFilterOperations.h"
 
 using media::VideoFrame;
 using WebKit::WebGraphicsContext3D;
 
 namespace cc {
 namespace {
 
 // These tests deal with losing the 3d graphics context.
 class LayerTreeHostContextTest : public LayerTreeTest {
  public:
@@ skipping 1547 matching lines @@
         LayerTreeHost::Create(this, settings, impl_ccthread.Pass());
     EXPECT_FALSE(layer_tree_host);
   }
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(
     LayerTreeHostTestCannotCreateIfCannotCreateOutputSurface);
 
 }  // namespace
 }  // namespace cc