Pull the Activity context from WindowAndroid if possible

ui/android/resources/resource_manager_impl_unittest.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 "cc/resources/ui_resource_bitmap.h"
 #include "cc/test/fake_layer_tree_host_client.h"
 #include "cc/test/test_task_graph_runner.h"
 #include "cc/trees/layer_tree_host.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "ui/android/resources/resource_manager_impl.h"
 #include "ui/android/resources/system_ui_resource_type.h"
+#include "ui/android/window_android.h"
 #include "ui/gfx/android/java_bitmap.h"
 
 
 using ::testing::_;
 using ::testing::AtLeast;
 using ::testing::DoAll;
 using ::testing::InSequence;
 using ::testing::Invoke;
 using ::testing::MatcherCast;
 using ::testing::Mock;
 using ::testing::Pointee;
 using ::testing::Return;
 using ::testing::SaveArg;
 using ::testing::SetArrayArgument;
 using ::testing::SetArgPointee;
 using ::testing::StrEq;
 using ::testing::StrictMock;
 
 namespace ui {
 
 class TestResourceManagerImpl : public ResourceManagerImpl {
  public:
-  TestResourceManagerImpl() {}
+  TestResourceManagerImpl(WindowAndroid* window_android)
+      : ResourceManagerImpl(window_android) {}
+
   ~TestResourceManagerImpl() override {}
 
   void SetResourceAsLoaded(AndroidResourceType res_type, int res_id) {
     SkBitmap small_bitmap;
     SkCanvas canvas(small_bitmap);
     small_bitmap.allocPixels(
         SkImageInfo::Make(1, 1, kRGBA_8888_SkColorType, kOpaque_SkAlphaType));
     canvas.drawColor(SK_ColorWHITE);
     small_bitmap.setImmutable();
 
@@ skipping 25 matching lines @@
   MOCK_METHOD1(DeleteUIResource, void(cc::UIResourceId));
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockLayerTreeHost);
 };
 
 }  // namespace
 
 class ResourceManagerTest : public testing::Test {
  public:
-  ResourceManagerTest() : fake_client_(cc::FakeLayerTreeHostClient::DIRECT_3D) {
+  ResourceManagerTest()
+      : window_android_(WindowAndroid::createForTesting()),
+        resource_manager_(window_android_),
+        fake_client_(cc::FakeLayerTreeHostClient::DIRECT_3D) {
     cc::LayerTreeHost::InitParams params;
     cc::LayerTreeSettings settings;
     params.client = &fake_client_;
     params.settings = &settings;
     params.task_graph_runner = &task_graph_runner_;
     host_.reset(new MockLayerTreeHost(&params));
     resource_manager_.Init(host_.get());
   }
 
+  ~ResourceManagerTest() override { window_android_->Destroy(NULL, NULL); }
+
   void PreloadResource(ui::SystemUIResourceType type) {
     resource_manager_.PreloadResource(ui::ANDROID_RESOURCE_TYPE_SYSTEM, type);
   }
 
   cc::UIResourceId GetUIResourceId(ui::SystemUIResourceType type) {
     return resource_manager_.GetUIResourceId(ui::ANDROID_RESOURCE_TYPE_SYSTEM,
                                              type);
   }
 
   void SetResourceAsLoaded(ui::SystemUIResourceType type) {
     resource_manager_.SetResourceAsLoaded(ui::ANDROID_RESOURCE_TYPE_SYSTEM,
                                           type);
   }
 
+ private:
+  WindowAndroid* window_android_;
+
  protected:
   scoped_ptr<MockLayerTreeHost> host_;
   TestResourceManagerImpl resource_manager_;
   cc::TestTaskGraphRunner task_graph_runner_;
   cc::FakeLayerTreeHostClient fake_client_;
 };
 
 TEST_F(ResourceManagerTest, GetResource) {
   const cc::UIResourceId kResourceId = 99;
   EXPECT_CALL(*host_.get(), CreateUIResource(_))
@@ skipping 45 matching lines @@
   EXPECT_EQ(kNumFrames, actual_rects.size());
   for (size_t i = 0; i < kNumFrames; i++) {
     EXPECT_EQ(expected_rects[i].size(), actual_rects[i].size());
     for (size_t j = 0; j < actual_rects[i].size(); j++) {
       EXPECT_EQ(expected_rects[i][j], actual_rects[i][j]);
     }
   }
 }
 
 }  // namespace ui