Remove the default format from ResourcePool.

cc/trees/layer_tree_host_impl.cc

Index: cc/trees/layer_tree_host_impl.cc
diff --git a/cc/trees/layer_tree_host_impl.cc b/cc/trees/layer_tree_host_impl.cc
index db9b072c0d74209d9295fa75fc8622c1ac3983e3..6f4204f016878af300dc8a06b92c55fe8cd012ac 100644
--- a/cc/trees/layer_tree_host_impl.cc
+++ b/cc/trees/layer_tree_host_impl.cc
@@ -1973,8 +1973,9 @@ void LayerTreeHostImpl::CreateAndSetTileManager() {
   DCHECK(resource_provider_);
 
   rasterizer_ = CreateRasterizer();
-  CreateResourceAndTileTaskWorkerPool(&tile_task_worker_pool_, &resource_pool_,
-                                      &staging_resource_pool_);
+  ResourceFormat resource_format =
+      CreateResourceAndTileTaskWorkerPool(
+          &tile_task_worker_pool_, &resource_pool_, &staging_resource_pool_);
   DCHECK(tile_task_worker_pool_);
   DCHECK(resource_pool_);
 
@@ -1987,6 +1988,7 @@ void LayerTreeHostImpl::CreateAndSetTileManager() {
                                     : settings_.scheduled_raster_task_limit;
   tile_manager_ =
       TileManager::Create(this, task_runner, resource_pool_.get(),
+                          resource_format,
                           tile_task_worker_pool_->AsTileTaskRunner(),
                           rasterizer_.get(), scheduled_raster_task_limit);
 
@@ -2002,7 +2004,7 @@ scoped_ptr<Rasterizer> LayerTreeHostImpl::CreateRasterizer() {
   return SoftwareRasterizer::Create();
 }
 
-void LayerTreeHostImpl::CreateResourceAndTileTaskWorkerPool(
+ResourceFormat LayerTreeHostImpl::CreateResourceAndTileTaskWorkerPool(
     scoped_ptr<TileTaskWorkerPool>* tile_task_worker_pool,
     scoped_ptr<ResourcePool>* resource_pool,
     scoped_ptr<ResourcePool>* staging_resource_pool) {
@@ -2011,28 +2013,26 @@ void LayerTreeHostImpl::CreateResourceAndTileTaskWorkerPool(
                               : proxy_->MainThreadTaskRunner();
   DCHECK(task_runner);
 
+  ResourceFormat resource_format = resource_provider_->best_texture_format();
+
   ContextProvider* context_provider = output_surface_->context_provider();
   if (!context_provider) {
     *resource_pool =
-        ResourcePool::Create(resource_provider_.get(),
-                             GL_TEXTURE_2D,
-                             resource_provider_->best_texture_format());
+        ResourcePool::Create(resource_provider_.get(), GL_TEXTURE_2D);
 
     *tile_task_worker_pool = BitmapTileTaskWorkerPool::Create(
         task_runner, TileTaskWorkerPool::GetTaskGraphRunner(),
         resource_provider_.get());
-    return;
+    return resource_format;
   }
 
   if (use_gpu_rasterization_) {
     *resource_pool =
-        ResourcePool::Create(resource_provider_.get(),
-                             GL_TEXTURE_2D,
-                             resource_provider_->best_texture_format());
+        ResourcePool::Create(resource_provider_.get(), GL_TEXTURE_2D);
 
     *tile_task_worker_pool = GpuTileTaskWorkerPool::Create(
         task_runner, TileTaskWorkerPool::GetTaskGraphRunner());
-    return;
+    return resource_format;
   }
 
   if (GetRendererCapabilities().using_image) {
@@ -2046,8 +2046,7 @@ void LayerTreeHostImpl::CreateResourceAndTileTaskWorkerPool(
 
     if (settings_.use_zero_copy || IsSynchronousSingleThreaded()) {
       *resource_pool =
-          ResourcePool::Create(resource_provider_.get(), image_target,
-                               resource_provider_->best_texture_format());
+          ResourcePool::Create(resource_provider_.get(), image_target);
 
       TaskGraphRunner* task_graph_runner;
       if (IsSynchronousSingleThreaded()) {
@@ -2060,35 +2059,34 @@ void LayerTreeHostImpl::CreateResourceAndTileTaskWorkerPool(
 
       *tile_task_worker_pool = ZeroCopyTileTaskWorkerPool::Create(
           task_runner, task_graph_runner, resource_provider_.get());
-      return;
+      return resource_format;
     }
 
     if (settings_.use_one_copy) {
       // We need to create a staging resource pool when using copy rasterizer.
       *staging_resource_pool =
-          ResourcePool::Create(resource_provider_.get(), image_target,
-                               resource_provider_->best_texture_format());
+          ResourcePool::Create(resource_provider_.get(), image_target);
       *resource_pool =
-          ResourcePool::Create(resource_provider_.get(), GL_TEXTURE_2D,
-                               resource_provider_->best_texture_format());
+          ResourcePool::Create(resource_provider_.get(), GL_TEXTURE_2D);
 
       *tile_task_worker_pool = OneCopyTileTaskWorkerPool::Create(
           task_runner, TileTaskWorkerPool::GetTaskGraphRunner(),
           context_provider, resource_provider_.get(),
-          staging_resource_pool_.get());
-      return;
+          staging_resource_pool_.get(), resource_format);
+      return resource_format;
     }
   }
 
   *resource_pool = ResourcePool::Create(
-      resource_provider_.get(), GL_TEXTURE_2D,
-      resource_provider_->memory_efficient_texture_format());
+      resource_provider_.get(), GL_TEXTURE_2D);
 
   *tile_task_worker_pool = PixelBufferTileTaskWorkerPool::Create(
       task_runner, TileTaskWorkerPool::GetTaskGraphRunner(), context_provider,
       resource_provider_.get(),
       GetMaxTransferBufferUsageBytes(context_provider->ContextCapabilities(),
                                      settings_.renderer_settings.refresh_rate));
+
+  return resource_provider_->memory_efficient_texture_format();
 }
 
 void LayerTreeHostImpl::DestroyTileManager() {