Revert of cc: Remove use of PassAs() and constructor-casting with scoped_ptr.

cc/resources/resource_provider_unittest.cc

 // Copyright 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.
 
 #include "cc/resources/resource_provider.h"
 
 #include <algorithm>
 #include <map>
 #include <set>
 
@@ skipping 371 matching lines @@
         context3d_(NULL),
         child_context_(NULL),
         main_thread_task_runner_(BlockingTaskRunner::Create(NULL)) {
     switch (GetParam()) {
       case ResourceProvider::GLTexture: {
         scoped_ptr<ResourceProviderContext> context3d(
             ResourceProviderContext::Create(shared_data_.get()));
         context3d_ = context3d.get();
 
         scoped_refptr<TestContextProvider> context_provider =
-            TestContextProvider::Create(context3d.Pass());
+            TestContextProvider::Create(
+                context3d.PassAs<TestWebGraphicsContext3D>());
 
         output_surface_ = FakeOutputSurface::Create3d(context_provider);
 
         scoped_ptr<ResourceProviderContext> child_context_owned =
             ResourceProviderContext::Create(shared_data_.get());
         child_context_ = child_context_owned.get();
-        child_output_surface_ =
-            FakeOutputSurface::Create3d(child_context_owned.Pass());
+        child_output_surface_ = FakeOutputSurface::Create3d(
+            child_context_owned.PassAs<TestWebGraphicsContext3D>());
         break;
       }
       case ResourceProvider::Bitmap:
         output_surface_ = FakeOutputSurface::CreateSoftware(
             make_scoped_ptr(new SoftwareOutputDevice));
         child_output_surface_ = FakeOutputSurface::CreateSoftware(
             make_scoped_ptr(new SoftwareOutputDevice));
         break;
       case ResourceProvider::InvalidType:
         NOTREACHED();
@@ skipping 734 matching lines @@
 }
 
 TEST_P(ResourceProviderTest, TransferGLToSoftware) {
   if (GetParam() != ResourceProvider::Bitmap)
     return;
 
   scoped_ptr<ResourceProviderContext> child_context_owned(
       ResourceProviderContext::Create(shared_data_.get()));
 
   FakeOutputSurfaceClient child_output_surface_client;
-  scoped_ptr<OutputSurface> child_output_surface(
-      FakeOutputSurface::Create3d(child_context_owned.Pass()));
+  scoped_ptr<OutputSurface> child_output_surface(FakeOutputSurface::Create3d(
+      child_context_owned.PassAs<TestWebGraphicsContext3D>()));
   CHECK(child_output_surface->BindToClient(&child_output_surface_client));
 
   scoped_ptr<ResourceProvider> child_resource_provider(
       ResourceProvider::Create(child_output_surface.get(),
                                shared_bitmap_manager_.get(),
                                NULL,
                                0,
                                false,
                                1,
                                false));
@@ skipping 281 matching lines @@
     EXPECT_EQ(1u, resource_provider_->num_resources());
     ASSERT_EQ(1u, returned_to_child.size());
     if (GetParam() == ResourceProvider::GLTexture) {
       EXPECT_NE(0u, returned_to_child[0].sync_point);
     }
     EXPECT_FALSE(returned_to_child[0].lost);
     returned_to_child.clear();
 
     // Destroy the parent resource provider. The resource that's left should be
     // lost at this point, and returned.
-    resource_provider_ = nullptr;
+    resource_provider_.reset();
     ASSERT_EQ(1u, returned_to_child.size());
     if (GetParam() == ResourceProvider::GLTexture) {
       EXPECT_NE(0u, returned_to_child[0].sync_point);
     }
     EXPECT_TRUE(returned_to_child[0].lost);
   }
 }
 
 TEST_P(ResourceProviderTest, DeleteTransferredResources) {
   gfx::Size size(1, 1);
@@ skipping 156 matching lines @@
 }
 
 class ResourceProviderTestTextureFilters : public ResourceProviderTest {
  public:
   static void RunTest(GLenum child_filter, GLenum parent_filter) {
     scoped_ptr<TextureStateTrackingContext> child_context_owned(
         new TextureStateTrackingContext);
     TextureStateTrackingContext* child_context = child_context_owned.get();
 
     FakeOutputSurfaceClient child_output_surface_client;
-    scoped_ptr<OutputSurface> child_output_surface(
-        FakeOutputSurface::Create3d(child_context_owned.Pass()));
+    scoped_ptr<OutputSurface> child_output_surface(FakeOutputSurface::Create3d(
+        child_context_owned.PassAs<TestWebGraphicsContext3D>()));
     CHECK(child_output_surface->BindToClient(&child_output_surface_client));
     scoped_ptr<SharedBitmapManager> shared_bitmap_manager(
         new TestSharedBitmapManager());
 
     scoped_ptr<ResourceProvider> child_resource_provider(
         ResourceProvider::Create(child_output_surface.get(),
                                  shared_bitmap_manager.get(),
                                  NULL,
                                  0,
                                  false,
                                  1,
                                  false));
 
     scoped_ptr<TextureStateTrackingContext> parent_context_owned(
         new TextureStateTrackingContext);
     TextureStateTrackingContext* parent_context = parent_context_owned.get();
 
     FakeOutputSurfaceClient parent_output_surface_client;
-    scoped_ptr<OutputSurface> parent_output_surface(
-        FakeOutputSurface::Create3d(parent_context_owned.Pass()));
+    scoped_ptr<OutputSurface> parent_output_surface(FakeOutputSurface::Create3d(
+        parent_context_owned.PassAs<TestWebGraphicsContext3D>()));
     CHECK(parent_output_surface->BindToClient(&parent_output_surface_client));
 
     scoped_ptr<ResourceProvider> parent_resource_provider(
         ResourceProvider::Create(parent_output_surface.get(),
                                  shared_bitmap_manager.get(),
                                  NULL,
                                  0,
                                  false,
                                  1,
                                  false));
@@ skipping 530 matching lines @@
   uint32 release_sync_point = 0;
   bool lost_resource = false;
   bool release_called = false;
   uint32 sync_point = 0;
   CreateChildMailbox(
       &release_sync_point, &lost_resource, &release_called, &sync_point);
 
   EXPECT_EQ(0u, release_sync_point);
   EXPECT_FALSE(lost_resource);
 
-  child_resource_provider_ = nullptr;
+  child_resource_provider_.reset();
 
   if (GetParam() == ResourceProvider::GLTexture) {
     EXPECT_LE(sync_point, release_sync_point);
   }
   EXPECT_TRUE(release_called);
   EXPECT_FALSE(lost_resource);
 }
 
 TEST_P(ResourceProviderTest, ShutdownWithExportedResource) {
   uint32 release_sync_point = 0;
   bool lost_resource = false;
   bool release_called = false;
   uint32 sync_point = 0;
   ResourceProvider::ResourceId resource = CreateChildMailbox(
       &release_sync_point, &lost_resource, &release_called, &sync_point);
 
   // Transfer the resource, so we can't release it properly on shutdown.
   ResourceProvider::ResourceIdArray resource_ids_to_transfer;
   resource_ids_to_transfer.push_back(resource);
   TransferableResourceArray list;
   child_resource_provider_->PrepareSendToParent(resource_ids_to_transfer,
                                                 &list);
 
   EXPECT_EQ(0u, release_sync_point);
   EXPECT_FALSE(lost_resource);
 
-  child_resource_provider_ = nullptr;
+  child_resource_provider_.reset();
 
   // Since the resource is in the parent, the child considers it lost.
   EXPECT_EQ(0u, release_sync_point);
   EXPECT_TRUE(lost_resource);
 }
 
 TEST_P(ResourceProviderTest, LostContext) {
   // TextureMailbox callbacks only exist for GL textures for now.
   if (GetParam() != ResourceProvider::GLTexture)
     return;
@@ skipping 15 matching lines @@
                                                    &lost_resource,
                                                    &main_thread_task_runner));
   resource_provider_->CreateResourceFromTextureMailbox(
       TextureMailbox(mailbox, GL_TEXTURE_2D, sync_point), callback.Pass());
 
   EXPECT_EQ(0u, release_sync_point);
   EXPECT_FALSE(lost_resource);
   EXPECT_EQ(NULL, main_thread_task_runner);
 
   resource_provider_->DidLoseOutputSurface();
-  resource_provider_ = nullptr;
+  resource_provider_.reset();
 
   EXPECT_LE(sync_point, release_sync_point);
   EXPECT_TRUE(lost_resource);
   EXPECT_EQ(main_thread_task_runner_.get(), main_thread_task_runner);
 }
 
 TEST_P(ResourceProviderTest, ScopedSampler) {
   // Sampling is only supported for GL textures.
   if (GetParam() != ResourceProvider::GLTexture)
     return;
 
   scoped_ptr<TextureStateTrackingContext> context_owned(
       new TextureStateTrackingContext);
   TextureStateTrackingContext* context = context_owned.get();
 
   FakeOutputSurfaceClient output_surface_client;
-  scoped_ptr<OutputSurface> output_surface(
-      FakeOutputSurface::Create3d(context_owned.Pass()));
+  scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d(
+      context_owned.PassAs<TestWebGraphicsContext3D>()));
   CHECK(output_surface->BindToClient(&output_surface_client));
 
   scoped_ptr<ResourceProvider> resource_provider(
       ResourceProvider::Create(output_surface.get(),
                                shared_bitmap_manager_.get(),
                                NULL,
                                0,
                                false,
                                1,
                                false));
@@ skipping 65 matching lines @@
 TEST_P(ResourceProviderTest, ManagedResource) {
   // Sampling is only supported for GL textures.
   if (GetParam() != ResourceProvider::GLTexture)
     return;
 
   scoped_ptr<TextureStateTrackingContext> context_owned(
       new TextureStateTrackingContext);
   TextureStateTrackingContext* context = context_owned.get();
 
   FakeOutputSurfaceClient output_surface_client;
-  scoped_ptr<OutputSurface> output_surface(
-      FakeOutputSurface::Create3d(context_owned.Pass()));
+  scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d(
+      context_owned.PassAs<TestWebGraphicsContext3D>()));
   CHECK(output_surface->BindToClient(&output_surface_client));
 
   scoped_ptr<ResourceProvider> resource_provider(
       ResourceProvider::Create(output_surface.get(),
                                shared_bitmap_manager_.get(),
                                NULL,
                                0,
                                false,
                                1,
                                false));
@@ skipping 33 matching lines @@
 TEST_P(ResourceProviderTest, TextureWrapMode) {
   // Sampling is only supported for GL textures.
   if (GetParam() != ResourceProvider::GLTexture)
     return;
 
   scoped_ptr<TextureStateTrackingContext> context_owned(
       new TextureStateTrackingContext);
   TextureStateTrackingContext* context = context_owned.get();
 
   FakeOutputSurfaceClient output_surface_client;
-  scoped_ptr<OutputSurface> output_surface(
-      FakeOutputSurface::Create3d(context_owned.Pass()));
+  scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d(
+      context_owned.PassAs<TestWebGraphicsContext3D>()));
   CHECK(output_surface->BindToClient(&output_surface_client));
 
   scoped_ptr<ResourceProvider> resource_provider(
       ResourceProvider::Create(output_surface.get(),
                                shared_bitmap_manager_.get(),
                                NULL,
                                0,
                                false,
                                1,
                                false));
@@ skipping 37 matching lines @@
   if (GetParam() != ResourceProvider::GLTexture)
     return;
 
   scoped_ptr<TextureStateTrackingContext> context_owned(
       new TextureStateTrackingContext);
   TextureStateTrackingContext* context = context_owned.get();
   context->set_support_texture_storage(true);
   context->set_support_texture_usage(true);
 
   FakeOutputSurfaceClient output_surface_client;
-  scoped_ptr<OutputSurface> output_surface(
-      FakeOutputSurface::Create3d(context_owned.Pass()));
+  scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d(
+      context_owned.PassAs<TestWebGraphicsContext3D>()));
   CHECK(output_surface->BindToClient(&output_surface_client));
 
   scoped_ptr<ResourceProvider> resource_provider(
       ResourceProvider::Create(output_surface.get(),
                                shared_bitmap_manager_.get(),
                                NULL,
                                0,
                                false,
                                1,
                                false));
@@ skipping 103 matching lines @@
 TEST_P(ResourceProviderTest, TextureMailbox_GLTexture2D) {
   // Mailboxing is only supported for GL textures.
   if (GetParam() != ResourceProvider::GLTexture)
     return;
 
   scoped_ptr<TextureStateTrackingContext> context_owned(
       new TextureStateTrackingContext);
   TextureStateTrackingContext* context = context_owned.get();
 
   FakeOutputSurfaceClient output_surface_client;
-  scoped_ptr<OutputSurface> output_surface(
-      FakeOutputSurface::Create3d(context_owned.Pass()));
+  scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d(
+      context_owned.PassAs<TestWebGraphicsContext3D>()));
   CHECK(output_surface->BindToClient(&output_surface_client));
 
   scoped_ptr<ResourceProvider> resource_provider(
       ResourceProvider::Create(output_surface.get(),
                                shared_bitmap_manager_.get(),
                                main_thread_task_runner_.get(),
                                0,
                                false,
                                1,
                                false));
@@ skipping 63 matching lines @@
 TEST_P(ResourceProviderTest, TextureMailbox_GLTextureExternalOES) {
   // Mailboxing is only supported for GL textures.
   if (GetParam() != ResourceProvider::GLTexture)
     return;
 
   scoped_ptr<TextureStateTrackingContext> context_owned(
       new TextureStateTrackingContext);
   TextureStateTrackingContext* context = context_owned.get();
 
   FakeOutputSurfaceClient output_surface_client;
-  scoped_ptr<OutputSurface> output_surface(
-      FakeOutputSurface::Create3d(context_owned.Pass()));
+  scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d(
+      context_owned.PassAs<TestWebGraphicsContext3D>()));
   CHECK(output_surface->BindToClient(&output_surface_client));
 
   scoped_ptr<ResourceProvider> resource_provider(
       ResourceProvider::Create(output_surface.get(),
                                shared_bitmap_manager_.get(),
                                NULL,
                                0,
                                false,
                                1,
                                false));
@@ skipping 53 matching lines @@
        TextureMailbox_WaitSyncPointIfNeeded_WithSyncPoint) {
   // Mailboxing is only supported for GL textures.
   if (GetParam() != ResourceProvider::GLTexture)
     return;
 
   scoped_ptr<TextureStateTrackingContext> context_owned(
       new TextureStateTrackingContext);
   TextureStateTrackingContext* context = context_owned.get();
 
   FakeOutputSurfaceClient output_surface_client;
-  scoped_ptr<OutputSurface> output_surface(
-      FakeOutputSurface::Create3d(context_owned.Pass()));
+  scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d(
+      context_owned.PassAs<TestWebGraphicsContext3D>()));
   CHECK(output_surface->BindToClient(&output_surface_client));
 
   scoped_ptr<ResourceProvider> resource_provider(
       ResourceProvider::Create(output_surface.get(),
                                shared_bitmap_manager_.get(),
                                NULL,
                                0,
                                false,
                                1,
                                false));
@@ skipping 37 matching lines @@
 TEST_P(ResourceProviderTest, TextureMailbox_WaitSyncPointIfNeeded_NoSyncPoint) {
   // Mailboxing is only supported for GL textures.
   if (GetParam() != ResourceProvider::GLTexture)
     return;
 
   scoped_ptr<TextureStateTrackingContext> context_owned(
       new TextureStateTrackingContext);
   TextureStateTrackingContext* context = context_owned.get();
 
   FakeOutputSurfaceClient output_surface_client;
-  scoped_ptr<OutputSurface> output_surface(
-      FakeOutputSurface::Create3d(context_owned.Pass()));
+  scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d(
+      context_owned.PassAs<TestWebGraphicsContext3D>()));
   CHECK(output_surface->BindToClient(&output_surface_client));
 
   scoped_ptr<ResourceProvider> resource_provider(
       ResourceProvider::Create(output_surface.get(),
                                shared_bitmap_manager_.get(),
                                NULL,
                                0,
                                false,
                                1,
                                false));
@@ skipping 106 matching lines @@
 
 TEST_P(ResourceProviderTest, TextureAllocation) {
   // Only for GL textures.
   if (GetParam() != ResourceProvider::GLTexture)
     return;
   scoped_ptr<AllocationTrackingContext3D> context_owned(
       new StrictMock<AllocationTrackingContext3D>);
   AllocationTrackingContext3D* context = context_owned.get();
 
   FakeOutputSurfaceClient output_surface_client;
-  scoped_ptr<OutputSurface> output_surface(
-      FakeOutputSurface::Create3d(context_owned.Pass()));
+  scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d(
+      context_owned.PassAs<TestWebGraphicsContext3D>()));
   CHECK(output_surface->BindToClient(&output_surface_client));
 
   scoped_ptr<ResourceProvider> resource_provider(
       ResourceProvider::Create(output_surface.get(),
                                shared_bitmap_manager_.get(),
                                NULL,
                                0,
                                false,
                                1,
                                false));
@@ skipping 58 matching lines @@
   // Only for GL textures.
   if (GetParam() != ResourceProvider::GLTexture)
     return;
   scoped_ptr<AllocationTrackingContext3D> context_owned(
       new StrictMock<AllocationTrackingContext3D>);
   AllocationTrackingContext3D* context = context_owned.get();
   context->set_support_texture_storage(true);
   context->set_support_texture_usage(true);
 
   FakeOutputSurfaceClient output_surface_client;
-  scoped_ptr<OutputSurface> output_surface(
-      FakeOutputSurface::Create3d(context_owned.Pass()));
+  scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d(
+      context_owned.PassAs<TestWebGraphicsContext3D>()));
   CHECK(output_surface->BindToClient(&output_surface_client));
 
   scoped_ptr<ResourceProvider> resource_provider(
       ResourceProvider::Create(output_surface.get(),
                                shared_bitmap_manager_.get(),
                                NULL,
                                0,
                                false,
                                1,
                                false));
@@ skipping 38 matching lines @@
   if (GetParam() != ResourceProvider::GLTexture)
     return;
   scoped_ptr<AllocationTrackingContext3D> context_owned(
       new StrictMock<AllocationTrackingContext3D>);
   AllocationTrackingContext3D* context = context_owned.get();
   context->set_support_texture_format_bgra8888(true);
   context->set_support_texture_storage(true);
   context->set_support_texture_usage(true);
 
   FakeOutputSurfaceClient output_surface_client;
-  scoped_ptr<OutputSurface> output_surface(
-      FakeOutputSurface::Create3d(context_owned.Pass()));
+  scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d(
+      context_owned.PassAs<TestWebGraphicsContext3D>()));
   CHECK(output_surface->BindToClient(&output_surface_client));
 
   scoped_ptr<ResourceProvider> resource_provider(
       ResourceProvider::Create(output_surface.get(),
                                shared_bitmap_manager_.get(),
                                NULL,
                                0,
                                false,
                                1,
                                false));
@@ skipping 32 matching lines @@
 }
 
 TEST_P(ResourceProviderTest, PixelBuffer_GLTexture) {
   if (GetParam() != ResourceProvider::GLTexture)
     return;
   scoped_ptr<AllocationTrackingContext3D> context_owned(
       new StrictMock<AllocationTrackingContext3D>);
   AllocationTrackingContext3D* context = context_owned.get();
 
   FakeOutputSurfaceClient output_surface_client;
-  scoped_ptr<OutputSurface> output_surface(
-      FakeOutputSurface::Create3d(context_owned.Pass()));
+  scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d(
+      context_owned.PassAs<TestWebGraphicsContext3D>()));
   CHECK(output_surface->BindToClient(&output_surface_client));
 
   gfx::Size size(2, 2);
   ResourceFormat format = RGBA_8888;
   ResourceProvider::ResourceId id = 0;
   int texture_id = 123;
 
   scoped_ptr<ResourceProvider> resource_provider(
       ResourceProvider::Create(output_surface.get(),
                                shared_bitmap_manager_.get(),
@@ skipping 25 matching lines @@
 
 TEST_P(ResourceProviderTest, ForcingAsyncUploadToComplete) {
   // Only for GL textures.
   if (GetParam() != ResourceProvider::GLTexture)
     return;
   scoped_ptr<AllocationTrackingContext3D> context_owned(
       new StrictMock<AllocationTrackingContext3D>);
   AllocationTrackingContext3D* context = context_owned.get();
 
   FakeOutputSurfaceClient output_surface_client;
-  scoped_ptr<OutputSurface> output_surface(
-      FakeOutputSurface::Create3d(context_owned.Pass()));
+  scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d(
+      context_owned.PassAs<TestWebGraphicsContext3D>()));
   CHECK(output_surface->BindToClient(&output_surface_client));
 
   gfx::Size size(2, 2);
   ResourceFormat format = RGBA_8888;
   ResourceProvider::ResourceId id = 0;
   int texture_id = 123;
 
   scoped_ptr<ResourceProvider> resource_provider(
       ResourceProvider::Create(output_surface.get(),
                                shared_bitmap_manager_.get(),
@@ skipping 25 matching lines @@
 
   Mock::VerifyAndClearExpectations(context);
 }
 
 TEST_P(ResourceProviderTest, PixelBufferLostContext) {
   scoped_ptr<AllocationTrackingContext3D> context_owned(
       new NiceMock<AllocationTrackingContext3D>);
   AllocationTrackingContext3D* context = context_owned.get();
 
   FakeOutputSurfaceClient output_surface_client;
-  scoped_ptr<OutputSurface> output_surface(
-      FakeOutputSurface::Create3d(context_owned.Pass()));
+  scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d(
+      context_owned.PassAs<TestWebGraphicsContext3D>()));
   CHECK(output_surface->BindToClient(&output_surface_client));
 
   gfx::Size size(2, 2);
   ResourceFormat format = RGBA_8888;
   ResourceProvider::ResourceId id = 0;
   int texture_id = 123;
 
   scoped_ptr<ResourceProvider> resource_provider(
       ResourceProvider::Create(output_surface.get(),
                                shared_bitmap_manager_.get(),
@@ skipping 20 matching lines @@
 
 TEST_P(ResourceProviderTest, Image_GLTexture) {
   // Only for GL textures.
   if (GetParam() != ResourceProvider::GLTexture)
     return;
   scoped_ptr<AllocationTrackingContext3D> context_owned(
       new StrictMock<AllocationTrackingContext3D>);
   AllocationTrackingContext3D* context = context_owned.get();
 
   FakeOutputSurfaceClient output_surface_client;
-  scoped_ptr<OutputSurface> output_surface(
-      FakeOutputSurface::Create3d(context_owned.Pass()));
+  scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d(
+      context_owned.PassAs<TestWebGraphicsContext3D>()));
   CHECK(output_surface->BindToClient(&output_surface_client));
 
   const int kWidth = 2;
   const int kHeight = 2;
   gfx::Size size(kWidth, kHeight);
   ResourceFormat format = RGBA_8888;
   ResourceProvider::ResourceId id = 0;
   const unsigned kTextureId = 123u;
   const unsigned kImageId = 234u;
 
@@ skipping 88 matching lines @@
 
 TEST_P(ResourceProviderTest, CopyResource_GLTexture) {
   if (GetParam() != ResourceProvider::GLTexture)
     return;
   scoped_ptr<AllocationTrackingContext3D> context_owned(
       new StrictMock<AllocationTrackingContext3D>);
   AllocationTrackingContext3D* context = context_owned.get();
   context_owned->set_support_sync_query(true);
 
   FakeOutputSurfaceClient output_surface_client;
-  scoped_ptr<OutputSurface> output_surface(
-      FakeOutputSurface::Create3d(context_owned.Pass()));
+  scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d(
+      context_owned.PassAs<TestWebGraphicsContext3D>()));
   ASSERT_TRUE(output_surface->BindToClient(&output_surface_client));
 
   const int kWidth = 2;
   const int kHeight = 2;
   gfx::Size size(kWidth, kHeight);
   ResourceFormat format = RGBA_8888;
   ResourceProvider::ResourceId source_id = 0;
   ResourceProvider::ResourceId dest_id = 0;
   const unsigned kSourceTextureId = 123u;
   const unsigned kDestTextureId = 321u;
@@ skipping 70 matching lines @@
 }
 
 void InitializeGLAndCheck(ContextSharedData* shared_data,
                           ResourceProvider* resource_provider,
                           FakeOutputSurface* output_surface) {
   scoped_ptr<ResourceProviderContext> context_owned =
       ResourceProviderContext::Create(shared_data);
   ResourceProviderContext* context = context_owned.get();
 
   scoped_refptr<TestContextProvider> context_provider =
-      TestContextProvider::Create(context_owned.Pass());
+      TestContextProvider::Create(
+          context_owned.PassAs<TestWebGraphicsContext3D>());
   output_surface->InitializeAndSetContext3d(context_provider);
   resource_provider->InitializeGL();
 
   CheckCreateResource(ResourceProvider::GLTexture, resource_provider, context);
 }
 
 TEST(ResourceProviderTest, BasicInitializeGLSoftware) {
   scoped_ptr<ContextSharedData> shared_data = ContextSharedData::Create();
   bool delegated_rendering = false;
   scoped_ptr<FakeOutputSurface> output_surface(
@@ skipping 31 matching lines @@
 TEST_P(ResourceProviderTest, CompressedTextureETC1Allocate) {
   if (GetParam() != ResourceProvider::GLTexture)
     return;
 
   scoped_ptr<AllocationTrackingContext3D> context_owned(
       new AllocationTrackingContext3D);
   AllocationTrackingContext3D* context = context_owned.get();
   context_owned->set_support_compressed_texture_etc1(true);
 
   FakeOutputSurfaceClient output_surface_client;
-  scoped_ptr<OutputSurface> output_surface(
-      FakeOutputSurface::Create3d(context_owned.Pass()));
+  scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d(
+      context_owned.PassAs<TestWebGraphicsContext3D>()));
   CHECK(output_surface->BindToClient(&output_surface_client));
 
   gfx::Size size(4, 4);
   scoped_ptr<ResourceProvider> resource_provider(
       ResourceProvider::Create(output_surface.get(),
                                shared_bitmap_manager_.get(),
                                NULL,
                                0,
                                false,
                                1,
@@ skipping 14 matching lines @@
 TEST_P(ResourceProviderTest, CompressedTextureETC1SetPixels) {
   if (GetParam() != ResourceProvider::GLTexture)
     return;
 
   scoped_ptr<AllocationTrackingContext3D> context_owned(
       new AllocationTrackingContext3D);
   AllocationTrackingContext3D* context = context_owned.get();
   context_owned->set_support_compressed_texture_etc1(true);
 
   FakeOutputSurfaceClient output_surface_client;
-  scoped_ptr<OutputSurface> output_surface(
-      FakeOutputSurface::Create3d(context_owned.Pass()));
+  scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d(
+      context_owned.PassAs<TestWebGraphicsContext3D>()));
   CHECK(output_surface->BindToClient(&output_surface_client));
 
   gfx::Size size(4, 4);
   scoped_ptr<ResourceProvider> resource_provider(
       ResourceProvider::Create(output_surface.get(),
                                shared_bitmap_manager_.get(),
                                NULL,
                                0,
                                false,
                                1,
@@ skipping 33 matching lines @@
     return namespace_->next_texture_id;
   }
 };
 
 TEST(ResourceProviderTest, TextureAllocationChunkSize) {
   scoped_ptr<TextureIdAllocationTrackingContext> context_owned(
       new TextureIdAllocationTrackingContext);
   TextureIdAllocationTrackingContext* context = context_owned.get();
 
   FakeOutputSurfaceClient output_surface_client;
-  scoped_ptr<OutputSurface> output_surface(
-      FakeOutputSurface::Create3d(context_owned.Pass()));
+  scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d(
+      context_owned.PassAs<TestWebGraphicsContext3D>()));
   CHECK(output_surface->BindToClient(&output_surface_client));
   scoped_ptr<SharedBitmapManager> shared_bitmap_manager(
       new TestSharedBitmapManager());
 
   gfx::Size size(1, 1);
   ResourceFormat format = RGBA_8888;
 
   {
     size_t kTextureAllocationChunkSize = 1;
     scoped_ptr<ResourceProvider> resource_provider(
@@ skipping 30 matching lines @@
     resource_provider->AllocateForTesting(id);
     Mock::VerifyAndClearExpectations(context);
 
     DCHECK_EQ(10u, context->PeekTextureId());
     resource_provider->DeleteResource(id);
   }
 }
 
 }  // namespace
 }  // namespace cc