cc: Clean up naming of paint-related identifiers

cc/playback/raster_source.cc

 // Copyright 2014 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/playback/raster_source.h"
 
 #include <stddef.h>
 
 #include "base/trace_event/trace_event.h"
 #include "cc/base/math_util.h"
@@ skipping 199 matching lines @@
   SkPictureRecorder recorder;
   SkCanvas* canvas = recorder.beginRecording(size_.width(), size_.height());
   if (!size_.IsEmpty()) {
     PrepareForPlaybackToCanvas(canvas);
     RasterCommon(canvas, nullptr);
   }
 
   return recorder.finishRecordingAsPicture();
 }
 
-size_t RasterSource::GetPictureMemoryUsage() const {
+size_t RasterSource::GetMemoryUsage() const {
   if (!display_list_)
     return 0;
   return display_list_->ApproximateMemoryUsage() +
          painter_reported_memory_usage_;
 }
 
 bool RasterSource::PerformSolidColorAnalysis(const gfx::Rect& content_rect,
                                              float contents_scale,
                                              SkColor* color) const {
   TRACE_EVENT0("cc", "RasterSource::PerformSolidColorAnalysis");
@@ skipping 75 matching lines @@
   bool can_use_lcd_text = false;
   return scoped_refptr<RasterSource>(new RasterSource(this, can_use_lcd_text));
 }
 
 RasterSource::PlaybackSettings::PlaybackSettings()
     : playback_to_shared_canvas(false),
       skip_images(false),
       use_image_hijack_canvas(true) {}
 
 }  // namespace cc