Update references to Blink's Platform API headers

cc/quads/draw_quad_unittest.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/quads/draw_quad.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "cc/base/math_util.h"
 #include "cc/quads/checkerboard_draw_quad.h"
 #include "cc/quads/debug_border_draw_quad.h"
 #include "cc/quads/io_surface_draw_quad.h"
 #include "cc/quads/picture_draw_quad.h"
 #include "cc/quads/render_pass_draw_quad.h"
 #include "cc/quads/solid_color_draw_quad.h"
 #include "cc/quads/stream_video_draw_quad.h"
 #include "cc/quads/texture_draw_quad.h"
 #include "cc/quads/tile_draw_quad.h"
 #include "cc/quads/yuv_video_draw_quad.h"
 #include "cc/resources/picture_pile_impl.h"
 #include "cc/test/geometry_test_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
-#include "third_party/WebKit/Source/Platform/chromium/public/WebFilterOperations.h"
+#include "third_party/WebKit/public/platform/WebFilterOperations.h"
 #include "third_party/skia/include/effects/SkBlurImageFilter.h"
 #include "ui/gfx/transform.h"
 
 namespace cc {
 namespace {
 
 TEST(DrawQuadTest, CopySharedQuadState) {
   gfx::Transform quad_transform = gfx::Transform(1.0, 0.0, 0.5, 1.0, 0.5, 0.0);
   gfx::Size content_bounds(26, 28);
   gfx::Rect visible_content_rect(10, 12, 14, 16);
@@ skipping 846 matching lines @@
                     texture_size,
                     swizzle_contents,
                     content_rect,
                     contents_scale,
                     picture_pile);
   EXPECT_EQ(0, IterateAndCount(quad_new.get()));
 }
 
 }  // namespace
 }  // namespace cc