cc: Remove legacy accelerated painting path

cc/layers/content_layer.cc

 // Copyright 2010 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/layers/content_layer.h"
 
 #include "base/auto_reset.h"
 #include "base/metrics/histogram.h"
 #include "base/time.h"
 #include "cc/layers/content_layer_client.h"
@@ skipping 77 matching lines @@
 
 LayerUpdater* ContentLayer::Updater() const {
   return updater_.get();
 }
 
 void ContentLayer::CreateUpdaterIfNeeded() {
   if (updater_)
     return;
   scoped_ptr<LayerPainter> painter =
       ContentLayerPainter::Create(client_).PassAs<LayerPainter>();
-  if (layer_tree_host()->settings().accelerate_painting)
-    updater_ = SkPictureContentLayerUpdater::Create(
-        painter.Pass(),
-        rendering_stats_instrumentation(),
-        id());
-  else if (layer_tree_host()->settings().per_tile_painting_enabled)
+  if (layer_tree_host()->settings().per_tile_painting_enabled) {
     updater_ = BitmapSkPictureContentLayerUpdater::Create(
         painter.Pass(),
         rendering_stats_instrumentation(),
         id());
-  else
+  } else {
     updater_ = BitmapContentLayerUpdater::Create(
         painter.Pass(),
         rendering_stats_instrumentation(),
         id());
+  }
   updater_->SetOpaque(contents_opaque());
 
   unsigned texture_format =
       layer_tree_host()->GetRendererCapabilities().best_texture_format;
   SetTextureFormat(texture_format);
 }
 
 void ContentLayer::SetContentsOpaque(bool opaque) {
   Layer::SetContentsOpaque(opaque);
   if (updater_)
     updater_->SetOpaque(opaque);
 }
 
 void ContentLayer::UpdateCanUseLCDText() {
   if (can_use_lcd_text_last_frame_ == can_use_lcd_text())
     return;
 
   can_use_lcd_text_last_frame_ = can_use_lcd_text();
   if (client_)
     client_->DidChangeLayerCanUseLCDText();
 }
 
 bool ContentLayer::SupportsLCDText() const {
   return true;
 }
 
 }  // namespace cc