gpu: Remove async texture uploads.

gpu/command_buffer/service/gles2_cmd_decoder.h

Index: gpu/command_buffer/service/gles2_cmd_decoder.h
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder.h b/gpu/command_buffer/service/gles2_cmd_decoder.h
index 79ecb2c21bce385266b785e38dc5a34ed684893d..be24077ffb867cc1143363e7cce9faa205d17442 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder.h
+++ b/gpu/command_buffer/service/gles2_cmd_decoder.h
@@ -30,7 +30,6 @@ class Size;
 
 namespace gpu {
 
-class AsyncPixelTransferManager;
 struct Mailbox;
 
 namespace gles2 {
@@ -201,12 +200,6 @@ class GPU_EXPORT GLES2Decoder : public base::SupportsWeakPtr<GLES2Decoder>,
   virtual void SetResizeCallback(
       const base::Callback<void(gfx::Size, float)>& callback) = 0;
 
-  // Interface to performing async pixel transfers.
-  virtual AsyncPixelTransferManager* GetAsyncPixelTransferManager() = 0;
-  virtual void ResetAsyncPixelTransferManagerForTest() = 0;
-  virtual void SetAsyncPixelTransferManagerForTest(
-      AsyncPixelTransferManager* manager) = 0;
-
   // Get the service texture ID corresponding to a client texture ID.
   // If no such record is found then return false.
   virtual bool GetServiceTextureId(uint32 client_texture_id,