Support different formats in the same resource pool.

cc/test/layer_tree_pixel_resource_test.cc

Index: cc/test/layer_tree_pixel_resource_test.cc
diff --git a/cc/test/layer_tree_pixel_resource_test.cc b/cc/test/layer_tree_pixel_resource_test.cc
index e3df017489fa10d60968342c5f474d149859cb5e..dea27053d1e3c94dd91234cae7d004c7eb9c099a 100644
--- a/cc/test/layer_tree_pixel_resource_test.cc
+++ b/cc/test/layer_tree_pixel_resource_test.cc
@@ -167,9 +167,7 @@ void LayerTreeHostPixelResourceTest::CreateResourceAndTileTaskWorkerPool(
       EXPECT_FALSE(context_provider);
       EXPECT_EQ(PIXEL_TEST_SOFTWARE, test_type_);
       *resource_pool =
-          ResourcePool::Create(resource_provider,
-                               draw_texture_target_,
-                               resource_provider->best_texture_format());
+          ResourcePool::Create(resource_provider, draw_texture_target_, false);
 
       *tile_task_worker_pool = BitmapTileTaskWorkerPool::Create(
           task_runner, TileTaskWorkerPool::GetTaskGraphRunner(),
@@ -179,9 +177,7 @@ void LayerTreeHostPixelResourceTest::CreateResourceAndTileTaskWorkerPool(
       EXPECT_TRUE(context_provider);
       EXPECT_EQ(PIXEL_TEST_GL, test_type_);
       *resource_pool =
-          ResourcePool::Create(resource_provider,
-                               draw_texture_target_,
-                               resource_provider->best_texture_format());
+          ResourcePool::Create(resource_provider, draw_texture_target_, false);
 
       *tile_task_worker_pool = GpuTileTaskWorkerPool::Create(
           task_runner, TileTaskWorkerPool::GetTaskGraphRunner());
@@ -191,9 +187,7 @@ void LayerTreeHostPixelResourceTest::CreateResourceAndTileTaskWorkerPool(
       EXPECT_EQ(PIXEL_TEST_GL, test_type_);
       EXPECT_TRUE(host_impl->GetRendererCapabilities().using_image);
       *resource_pool =
-          ResourcePool::Create(resource_provider,
-                               draw_texture_target_,
-                               resource_provider->best_texture_format());
+          ResourcePool::Create(resource_provider, draw_texture_target_, false);
 
       *tile_task_worker_pool = ZeroCopyTileTaskWorkerPool::Create(
           task_runner, TileTaskWorkerPool::GetTaskGraphRunner(),
@@ -204,14 +198,10 @@ void LayerTreeHostPixelResourceTest::CreateResourceAndTileTaskWorkerPool(
       EXPECT_EQ(PIXEL_TEST_GL, test_type_);
       EXPECT_TRUE(host_impl->GetRendererCapabilities().using_image);
       // We need to create a staging resource pool when using copy rasterizer.
-      *staging_resource_pool =
-          ResourcePool::Create(resource_provider,
-                               staging_texture_target_,
-                               resource_provider->best_texture_format());
-      *resource_pool =
-          ResourcePool::Create(resource_provider,
-                               draw_texture_target_,
-                               resource_provider->best_texture_format());
+      *staging_resource_pool = ResourcePool::Create(
+          resource_provider, staging_texture_target_, false);
+      *resource_pool = ResourcePool::Create(
+          resource_provider, draw_texture_target_, false);
 
       *tile_task_worker_pool = OneCopyTileTaskWorkerPool::Create(
           task_runner, TileTaskWorkerPool::GetTaskGraphRunner(),
@@ -220,10 +210,8 @@ void LayerTreeHostPixelResourceTest::CreateResourceAndTileTaskWorkerPool(
     case PIXEL_BUFFER_TILE_TASK_WORKER_POOL:
       EXPECT_TRUE(context_provider);
       EXPECT_EQ(PIXEL_TEST_GL, test_type_);
-      *resource_pool = ResourcePool::Create(
-          resource_provider,
-          draw_texture_target_,
-          resource_provider->memory_efficient_texture_format());
+      *resource_pool =
+          ResourcePool::Create(resource_provider, draw_texture_target_, true);
 
       *tile_task_worker_pool = PixelBufferTileTaskWorkerPool::Create(
           task_runner, TileTaskWorkerPool::GetTaskGraphRunner(),