Rewrite references to "wtf/" to "platform/wtf/" in platform/testing.

third_party/WebKit/Source/platform/testing/PictureMatchers.cpp

 // Copyright 2016 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 "platform/testing/PictureMatchers.h"
 
 #include <utility>
 
 #include "platform/geometry/FloatQuad.h"
 #include "platform/geometry/FloatRect.h"
+#include "platform/wtf/Vector.h"
+#include "platform/wtf/text/WTFString.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkPicture.h"
-#include "wtf/Vector.h"
-#include "wtf/text/WTFString.h"
 
 namespace blink {
 
 namespace {
 
 struct QuadWithColor {
   FloatQuad quad;
   Color color;
 };
 
@@ skipping 138 matching lines @@
   rectsWithColor.push_back(RectWithColor(rect, color));
   return ::testing::MakeMatcher(new DrawsRectanglesMatcher(rectsWithColor));
 }
 
 ::testing::Matcher<const SkPicture&> drawsRectangles(
     const Vector<RectWithColor>& rectsWithColor) {
   return ::testing::MakeMatcher(new DrawsRectanglesMatcher(rectsWithColor));
 }
 
 }  // namespace blink