[Ozone-DRI] Removing MockDriSurface implementation

ui/ozone/platform/dri/test/mock_dri_surface.cc

-// Copyright 2014 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.
-
-#include "ui/ozone/platform/dri/test/mock_dri_surface.h"
-
-#include "third_party/skia/include/core/SkCanvas.h"
-#include "ui/ozone/platform/dri/dri_buffer.h"
-#include "ui/ozone/platform/dri/dri_wrapper.h"
-
-namespace ui {
-
-namespace {
-
-class MockDriBuffer : public DriBuffer {
- public:
-  MockDriBuffer(DriWrapper* dri, bool initialize_expectation)
-      : DriBuffer(dri), initialize_expectation_(initialize_expectation) {}
-  virtual ~MockDriBuffer() { surface_.clear(); }
-
-  virtual bool Initialize(const SkImageInfo& info) OVERRIDE {
-    if (!initialize_expectation_)
-      return false;
-
-    dri_->AddFramebuffer(
-        info.width(), info.height(), 24, 32, stride_, handle_, &framebuffer_);
-    surface_ = skia::AdoptRef(SkSurface::NewRaster(info));
-    surface_->getCanvas()->clear(SK_ColorBLACK);
-
-    return true;
-  }
-
- private:
-  bool initialize_expectation_;
-
-  DISALLOW_COPY_AND_ASSIGN(MockDriBuffer);
-};
-
-}  // namespace
-
-MockDriSurface::MockDriSurface(DriWrapper* dri, const gfx::Size& size)
-    : DriSurface(dri, size), dri_(dri), initialize_expectation_(true) {}
-
-MockDriSurface::~MockDriSurface() {}
-
-DriBuffer* MockDriSurface::CreateBuffer() {
-  MockDriBuffer* bitmap = new MockDriBuffer(dri_, initialize_expectation_);
-  bitmaps_.push_back(bitmap);
-
-  return bitmap;
-}
-
-}  // namespace ui