gpu: Add async pixel transfer interface, stub and tests.

gpu/command_buffer/service/async_pixel_transfer_delegate_mock.h

+// Copyright (c) 2012 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.
+
+#ifndef UI_GL_ASYNC_TASK_DELEGATE_MOCK_H_
+#define UI_GL_ASYNC_TASK_DELEGATE_MOCK_H_
+
+#include "base/basictypes.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "ui/gl/async_pixel_transfer_delegate.h"
+
+namespace gfx {
+
+class MockAsyncPixelTransferState : public gfx::AsyncPixelTransferState {
+ public:
+  MockAsyncPixelTransferState();
+
+  // Implement AsyncPixelTransferState.
+  MOCK_METHOD0(TransferIsInProgress, bool());
+  MOCK_METHOD1(BindTransfer, void(AsyncTexImage2DParams* level_params));
+
+ protected:
+  virtual ~MockAsyncPixelTransferState();
+  DISALLOW_COPY_AND_ASSIGN(MockAsyncPixelTransferState);
+};
+
+class MockAsyncPixelTransferDelegate : public gfx::AsyncPixelTransferDelegate {
+ public:
+  MockAsyncPixelTransferDelegate();
+  virtual ~MockAsyncPixelTransferDelegate();
+
+  // Implement AsyncPixelTransferDelegate.
+  MOCK_METHOD1(CreateRawPixelTransferState,
+      gfx::AsyncPixelTransferState*(GLuint service_id));
+  MOCK_METHOD1(AsyncNotifyCompletion,
+      void(const base::Closure& task));
+  MOCK_METHOD3(AsyncTexImage2D,
+      void(gfx::AsyncPixelTransferState*,
+          const AsyncTexImage2DParams& tex_params,
+          const AsyncMemoryParams& mem_params));
+  MOCK_METHOD3(AsyncTexSubImage2D,
+      void(gfx::AsyncPixelTransferState*,
+          const AsyncTexSubImage2DParams& tex_params,
+          const AsyncMemoryParams& mem_params));
+
+  // MOCK_METHOD wouldn't work, so redirect to CreateRawPixelTransferState.
+  virtual scoped_ptr<AsyncPixelTransferState>
+      CreatePixelTransferState(GLuint texture_id) OVERRIDE {
+    return make_scoped_ptr(CreateRawPixelTransferState(texture_id));
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MockAsyncPixelTransferDelegate);
+};
+
+}  // namespace gfx
+
+#endif  // UI_GL_ASYNC_TASK_DELEGATE_MOCK_H_
+