Rewrite references to "wtf/" to "platform/wtf/" in the rest of platform/.

third_party/WebKit/Source/platform/mac/GraphicsContextCanvas.mm

 // Copyright 2017 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/mac/GraphicsContextCanvas.h"
 
 #import <AppKit/AppKit.h>
 #import <CoreGraphics/CoreGraphics.h>
 
+#include "platform/wtf/RetainPtr.h"
 #include "skia/ext/skia_utils_mac.h"
-#include "wtf/RetainPtr.h"
 
 namespace blink {
 
 GraphicsContextCanvas::GraphicsContextCanvas(PaintCanvas* canvas,
                                              const SkIRect& user_clip_rect,
                                              SkScalar bitmap_scale_factor)
     : canvas_(canvas),
       cg_context_(0),
       bitmap_scale_factor_(bitmap_scale_factor),
       use_device_bits_(false),
@@ skipping 106 matching lines @@
   CGContextConcatCTM(cg_context_, skia::SkMatrixToCGAffineTransform(matrix));
 
   return cg_context_;
 }
 
 bool GraphicsContextCanvas::HasEmptyClipRegion() const {
   return canvas_->isClipEmpty();
 }
 
 }  // namespace blink