Switch to use SharedBitmapManager all the time in cc_unittests

cc/test/test_shared_bitmap_manager.cc

+// Copyright (c) 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 "cc/test/test_shared_bitmap_manager.h"
+
+#include "base/bind.h"
+
+namespace cc {
+
+void FreeSharedBitmap(SharedBitmap* shared_bitmap) {
+  delete shared_bitmap->memory();
+}
+
+void IgnoreSharedBitmap(SharedBitmap* shared_bitmap) {}
+
+TestSharedBitmapManager::TestSharedBitmapManager() {}
+
+TestSharedBitmapManager::~TestSharedBitmapManager() {}
+
+scoped_ptr<SharedBitmap> TestSharedBitmapManager::AllocateSharedBitmap(
+    const gfx::Size& size) {
+  base::AutoLock lock(lock_);
+  scoped_ptr<base::SharedMemory> memory(new base::SharedMemory);
+  memory->CreateAndMapAnonymous(size.GetArea() * 4);
+  SharedBitmapId id = SharedBitmap::GenerateId();
+  bitmap_map_[id] = memory.get();
+  return scoped_ptr<SharedBitmap>(
+      new SharedBitmap(memory.release(), id, base::Bind(&FreeSharedBitmap)));
+}
+
+scoped_ptr<SharedBitmap> TestSharedBitmapManager::GetSharedBitmapFromId(
+    const gfx::Size&,
+    const SharedBitmapId& id) {
+  base::AutoLock lock(lock_);
+  if (bitmap_map_.find(id) == bitmap_map_.end())
+    return scoped_ptr<SharedBitmap>();
+  return scoped_ptr<SharedBitmap>(
+      new SharedBitmap(bitmap_map_[id], id, base::Bind(&IgnoreSharedBitmap)));
+}
+
+scoped_ptr<SharedBitmap> TestSharedBitmapManager::GetBitmapForSharedMemory(
+    base::SharedMemory* memory) {
+  base::AutoLock lock(lock_);
+  SharedBitmapId id = SharedBitmap::GenerateId();
+  bitmap_map_[id] = memory;
+  return scoped_ptr<SharedBitmap>(
+      new SharedBitmap(memory, id, base::Bind(&IgnoreSharedBitmap)));
+}
+
+}  // namespace cc