Revert of cc: Use worker context for one-copy tile initialization.

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 1bd398921b3358d0a9e3cddb3ed4675bb7b63d88..bc323f138dc2b6368a502b8b7051956e47527bc4 100644
--- a/cc/test/layer_tree_pixel_resource_test.cc
+++ b/cc/test/layer_tree_pixel_resource_test.cc
@@ -127,7 +127,8 @@
 void LayerTreeHostPixelResourceTest::CreateResourceAndTileTaskWorkerPool(
     LayerTreeHostImpl* host_impl,
     scoped_ptr<TileTaskWorkerPool>* tile_task_worker_pool,
-    scoped_ptr<ResourcePool>* resource_pool) {
+    scoped_ptr<ResourcePool>* resource_pool,
+    scoped_ptr<ResourcePool>* staging_resource_pool) {
   base::SingleThreadTaskRunner* task_runner =
       proxy()->HasImplThread() ? proxy()->ImplThreadTaskRunner()
                                : proxy()->MainThreadTaskRunner();
@@ -139,7 +140,6 @@
   ResourceProvider* resource_provider = host_impl->resource_provider();
   size_t max_transfer_buffer_usage_bytes = 1024u * 1024u * 60u;
   int max_bytes_per_copy_operation = 1024 * 1024;
-  int max_staging_buffers = 32;
 
   switch (resource_pool_option_) {
     case BITMAP_TILE_TASK_WORKER_POOL:
@@ -177,13 +177,15 @@
       EXPECT_TRUE(context_provider);
       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_pool =
           ResourcePool::Create(resource_provider, draw_texture_target_);
 
       *tile_task_worker_pool = OneCopyTileTaskWorkerPool::Create(
           task_runner, task_graph_runner(), context_provider, resource_provider,
-          max_bytes_per_copy_operation, false, staging_texture_target_,
-          max_staging_buffers);
+          staging_resource_pool->get(), max_bytes_per_copy_operation, false);
       break;
     case PIXEL_BUFFER_TILE_TASK_WORKER_POOL:
       EXPECT_TRUE(context_provider);