cc: Allow TEXTURE_RECTANGLE_ARB to be used for tile textures.

cc/resources/image_raster_worker_pool.cc

 // Copyright 2013 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/resources/image_raster_worker_pool.h"
 
 #include "base/debug/trace_event.h"
 #include "base/values.h"
 #include "cc/debug/traced_value.h"
 #include "cc/resources/resource.h"
+#include "gpu/GLES2/gl2extchromium.h"
 #include "third_party/skia/include/core/SkBitmapDevice.h"
 
 namespace cc {
 
 namespace {
 
 class ImageWorkerPoolTaskImpl : public internal::WorkerPoolTask {
  public:
   typedef base::Callback<void(bool was_canceled)> Reply;
 
@@ skipping 126 matching lines @@
 
   set_raster_finished_task(new_raster_finished_task);
   set_raster_required_for_activation_finished_task(
       new_raster_required_for_activation_finished_task);
 
   TRACE_EVENT_ASYNC_STEP_INTO1(
       "cc", "ScheduledTasks", this, "rasterizing",
       "state", TracedValue::FromValue(StateAsValue().release()));
 }
 
+GLenum ImageRasterWorkerPool::GetResourceTarget() const {
+  // Note: we should instead ask the resource provider what target to use
+  // if it needs to be different on some platform.
+  return GL_TEXTURE_RECTANGLE_ARB;

[kaanb, 2013/11/23 02:02:20]

I guess this may break webview if we land it in the current form. Do we need a
crbug to track this?

[reveman, 2013/11/23 10:29:12]

Done.

+}
+
 ResourceFormat ImageRasterWorkerPool::GetResourceFormat() const {
   return resource_provider()->best_texture_format();
 }
 
 void ImageRasterWorkerPool::OnRasterTasksFinished() {
   DCHECK(raster_tasks_pending_);
   raster_tasks_pending_ = false;
   TRACE_EVENT_ASYNC_END0("cc", "ScheduledTasks", this);
   client()->DidFinishRunningTasks();
 }
@@ skipping 52 matching lines @@
   if (is_required_for_activation) {
     raster_required_for_activation_finished_node->add_dependency();
     image_node->add_dependent(raster_required_for_activation_finished_node);
   }
 
   raster_finished_node->add_dependency();
   image_node->add_dependent(raster_finished_node);
 }
 
 }  // namespace cc