cc/paint: Remove PaintCanvas::peekPixels.

cc/paint/skia_paint_canvas.cc

 // 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 "cc/paint/paint_canvas.h"
 
 #include "base/memory/ptr_util.h"
 #include "cc/paint/paint_record.h"
 #include "cc/paint/paint_recorder.h"
 #include "third_party/skia/include/core/SkAnnotation.h"
@@ skipping 22 matching lines @@
 }
 
 void SkiaPaintCanvas::flush() {
   canvas_->flush();
 }
 
 SkISize SkiaPaintCanvas::getBaseLayerSize() const {
   return canvas_->getBaseLayerSize();
 }
 
-bool SkiaPaintCanvas::peekPixels(SkPixmap* pixmap) {
-  return canvas_->peekPixels(pixmap);
-}
-
 bool SkiaPaintCanvas::readPixels(const SkImageInfo& dest_info,
                                  void* dest_pixels,
                                  size_t dest_row_bytes,
                                  int src_x,
                                  int src_y) {
   return canvas_->readPixels(dest_info, dest_pixels, dest_row_bytes, src_x,
                              src_y);
 }
 
 bool SkiaPaintCanvas::readPixels(SkBitmap* bitmap, int src_x, int src_y) {
@@ skipping 283 matching lines @@
                                                SkData* data) {
   SkAnnotateNamedDestination(canvas_, point, data);
 }
 
 void SkiaPaintCanvas::AnnotateLinkToDestination(const SkRect& rect,
                                                 SkData* data) {
   SkAnnotateLinkToDestination(canvas_, rect, data);
 }
 
 }  // namespace cc