(Reland) content: Enable image decode tasks on android.

content/renderer/render_thread_impl.cc

 // Copyright (c) 2012 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 "content/renderer/render_thread_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <utility>
@@ skipping 819 matching lines @@
       base::Bind(&RenderThreadImpl::OnMemoryPressure, base::Unretained(this))));
 
   int num_raster_threads = 0;
   std::string string_value =
       command_line.GetSwitchValueASCII(switches::kNumRasterThreads);
   bool parsed_num_raster_threads =
       base::StringToInt(string_value, &num_raster_threads);
   DCHECK(parsed_num_raster_threads) << string_value;
   DCHECK_GT(num_raster_threads, 0);
 
-#if defined(OS_ANDROID)
-  // Note: Currently, enabling image decode tasks only provides a benefit if
-  // we use high quality interpolation filters, which are disabled on android.
-  are_image_decode_tasks_enabled_ = false;
-#else
+  // TODO(vmpstr): If the flag sticks, we should clean it up and always have
+  // image decode tasks.
   are_image_decode_tasks_enabled_ = true;
-#endif
 
   raster_worker_pool_->Start(num_raster_threads);
 
   // TODO(boliu): In single process, browser main loop should set up the
   // discardable memory manager, and should skip this if kSingleProcess.
   // See crbug.com/503724.
   base::DiscardableMemoryAllocator::SetInstance(
       ChildThreadImpl::discardable_shared_memory_manager());
 
   service_registry()->AddService(base::Bind(CreateRenderFrameSetup));
@@ skipping 1258 matching lines @@
 }
 
 void RenderThreadImpl::PendingRenderFrameConnect::OnConnectionError() {
   size_t erased =
       RenderThreadImpl::current()->pending_render_frame_connects_.erase(
           routing_id_);
   DCHECK_EQ(1u, erased);
 }
 
 }  // namespace content