Decouple cc::FakeWebGraphicsContext3D from blink::WGC3D

cc/trees/layer_tree_host_unittest.cc

 // Copyright 2011 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/trees/layer_tree_host.h"
 
 #include <algorithm>
 
 #include "base/auto_reset.h"
 #include "base/synchronization/lock.h"
@@ skipping 1461 matching lines @@
   }
 
   virtual void BeginTest() OVERRIDE {
     drew_frame_ = -1;
     PostSetNeedsCommitToMainThread();
   }
 
   virtual void DidActivateTreeOnThread(LayerTreeHostImpl* impl) OVERRIDE {
     ASSERT_EQ(0u, layer_tree_host()->settings().max_partial_texture_updates);
 
-    TestWebGraphicsContext3D* context = static_cast<TestWebGraphicsContext3D*>(
-        impl->output_surface()->context_provider()->Context3d());
+    TestWebGraphicsContext3D* context = static_cast<TestContextProvider*>(
+        impl->output_surface()->context_provider().get())->TestContext3d();
 
     switch (impl->active_tree()->source_frame_number()) {
       case 0:
         // Number of textures should be one for each layer
         ASSERT_EQ(2u, context->NumTextures());
         // Number of textures used for commit should be one for each layer.
         EXPECT_EQ(2u, context->NumUsedTextures());
         // Verify that used texture is correct.
         EXPECT_TRUE(context->UsedTexture(context->TextureAt(0)));
         EXPECT_TRUE(context->UsedTexture(context->TextureAt(1)));
@@ skipping 20 matching lines @@
       case 2:
         EndTest();
         break;
       default:
         NOTREACHED();
         break;
     }
   }
 
   virtual void DrawLayersOnThread(LayerTreeHostImpl* impl) OVERRIDE {
-    TestWebGraphicsContext3D* context = static_cast<TestWebGraphicsContext3D*>(
-        impl->output_surface()->context_provider()->Context3d());
+    TestWebGraphicsContext3D* context = static_cast<TestContextProvider*>(
+        impl->output_surface()->context_provider().get())->TestContext3d();
 
     if (drew_frame_ == impl->active_tree()->source_frame_number()) {
       EXPECT_EQ(0u, context->NumUsedTextures()) << "For frame " << drew_frame_;
       return;
     }
     drew_frame_ = impl->active_tree()->source_frame_number();
 
     // We draw/ship one texture each frame for each layer.
     EXPECT_EQ(2u, context->NumUsedTextures());
     context->ResetUsedTextures();
@@ skipping 15 matching lines @@
 
 MULTI_THREAD_DIRECT_RENDERER_NOIMPL_TEST_F(
     LayerTreeHostTestDirectRendererAtomicCommit);
 
 class LayerTreeHostTestDelegatingRendererAtomicCommit
     : public LayerTreeHostTestDirectRendererAtomicCommit {
  public:
   virtual void DidActivateTreeOnThread(LayerTreeHostImpl* impl) OVERRIDE {
     ASSERT_EQ(0u, layer_tree_host()->settings().max_partial_texture_updates);
 
-    TestWebGraphicsContext3D* context = static_cast<TestWebGraphicsContext3D*>(
-        impl->output_surface()->context_provider()->Context3d());
+    TestWebGraphicsContext3D* context = static_cast<TestContextProvider*>(
+        impl->output_surface()->context_provider().get())->TestContext3d();
 
     switch (impl->active_tree()->source_frame_number()) {
       case 0:
         // Number of textures should be one for each layer
         ASSERT_EQ(2u, context->NumTextures());
         // Number of textures used for commit should be one for each layer.
         EXPECT_EQ(2u, context->NumUsedTextures());
         // Verify that used texture is correct.
         EXPECT_TRUE(context->UsedTexture(context->TextureAt(0)));
         EXPECT_TRUE(context->UsedTexture(context->TextureAt(1)));
@@ skipping 101 matching lines @@
         break;
       default:
         NOTREACHED() << layer_tree_host()->source_frame_number();
         break;
     }
   }
 
   virtual void CommitCompleteOnThread(LayerTreeHostImpl* impl) OVERRIDE {
     ASSERT_EQ(1u, layer_tree_host()->settings().max_partial_texture_updates);
 
-    TestWebGraphicsContext3D* context = static_cast<TestWebGraphicsContext3D*>(
-        impl->output_surface()->context_provider()->Context3d());
+    TestWebGraphicsContext3D* context = static_cast<TestContextProvider*>(
+        impl->output_surface()->context_provider().get())->TestContext3d();
 
     switch (impl->active_tree()->source_frame_number()) {
       case 0:
         // Number of textures should be one for each layer.
         ASSERT_EQ(2u, context->NumTextures());
         // Number of textures used for commit should be one for each layer.
         EXPECT_EQ(2u, context->NumUsedTextures());
         // Verify that used textures are correct.
         EXPECT_TRUE(context->UsedTexture(context->TextureAt(0)));
         EXPECT_TRUE(context->UsedTexture(context->TextureAt(1)));
@@ skipping 69 matching lines @@
         break;
       default:
         NOTREACHED();
         break;
     }
   }
 
   virtual void DrawLayersOnThread(LayerTreeHostImpl* impl) OVERRIDE {
     EXPECT_LT(impl->active_tree()->source_frame_number(), 5);
 
-    TestWebGraphicsContext3D* context = static_cast<TestWebGraphicsContext3D*>(
-        impl->output_surface()->context_provider()->Context3d());
+    TestWebGraphicsContext3D* context = static_cast<TestContextProvider*>(
+        impl->output_surface()->context_provider().get())->TestContext3d();
 
     // Number of textures used for drawing should one per layer except for
     // frame 3 where the viewport only contains one layer.
     if (impl->active_tree()->source_frame_number() == 3) {
       EXPECT_EQ(1u, context->NumUsedTextures());
     } else {
       EXPECT_EQ(2u, context->NumUsedTextures()) <<
         "For frame " << impl->active_tree()->source_frame_number();
     }
 
@@ skipping 1362 matching lines @@
         PostSetNeedsCommitToMainThread();
         break;
       case 5:
         ClearResources();
         EndTest();
         break;
     }
   }
 
   void PerformTest(LayerTreeHostImpl* impl) {
-    TestWebGraphicsContext3D* context = static_cast<TestWebGraphicsContext3D*>(
-        impl->output_surface()->context_provider()->Context3d());
+    TestWebGraphicsContext3D* context = static_cast<TestContextProvider*>(
+        impl->output_surface()->context_provider().get())->TestContext3d();
 
     int frame = num_commits_;
     switch (frame) {
       case 1:
         ASSERT_EQ(0u, context->NumTextures());
         break;
       case 2:
         // Created two textures.
         ASSERT_EQ(2u, context->NumTextures());
         break;
@@ skipping 1086 matching lines @@
 
     layer_tree_host()->SetRootLayer(root_layer);
     LayerTreeHostTest::SetupTree();
   }
 
   virtual void BeginTest() OVERRIDE {
     PostSetNeedsCommitToMainThread();
   }
 
   virtual void DidActivateTreeOnThread(LayerTreeHostImpl* impl) OVERRIDE {
-    TestWebGraphicsContext3D* context = static_cast<TestWebGraphicsContext3D*>(
-        impl->output_surface()->context_provider()->Context3d());
+    TestWebGraphicsContext3D* context = static_cast<TestContextProvider*>(
+        impl->output_surface()->context_provider().get())->TestContext3d();
 
     // Expect that the transfer buffer memory used is equal to the
     // MaxTransferBufferUsageBytes value set in CreateOutputSurface.
     // NOTE: This is now 1/2 due to raster memory limit in TileManager.
     //       Only half the limit will be reached unless the task set
     //       thrashes to a completly new set of tiles.
     EXPECT_EQ(512 * 1024u,
               context->GetPeakTransferBufferMemoryUsedBytes());
     EndTest();
   }
@@ skipping 487 matching lines @@
 
     EndTest();
   }
 
   virtual void AfterTest() OVERRIDE {}
 };
 
 MULTI_THREAD_TEST_F(LayerTreeHostTestSimpleSwapPromiseMonitor);
 
 }  // namespace cc