cc: Make LayerTreeTests use a DelegatingRenderer and Display.

content/renderer/gpu/render_widget_compositor_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 "content/renderer/gpu/render_widget_compositor.h"
 
 #include <utility>
 
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "cc/output/begin_frame_args.h"
 #include "cc/output/copy_output_request.h"
-#include "cc/test/failure_output_surface.h"
 #include "cc/test/fake_external_begin_frame_source.h"
+#include "cc/test/fake_output_surface.h"
+#include "cc/test/test_context_provider.h"
 #include "cc/trees/layer_tree_host.h"
 #include "components/scheduler/renderer/renderer_scheduler.h"
 #include "content/public/test/mock_render_thread.h"
 #include "content/renderer/render_widget.h"
 #include "content/test/fake_compositor_dependencies.h"
 #include "content/test/fake_renderer_scheduler.h"
+#include "gpu/GLES2/gl2extchromium.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/public/platform/WebScreenInfo.h"
 
 using testing::AllOf;
 using testing::Field;
 
 namespace content {
 namespace {
 
@@ skipping 38 matching lines @@
  public:
   FakeRenderWidgetCompositorDelegate() = default;
 
   std::unique_ptr<cc::OutputSurface> CreateOutputSurface(
       bool fallback) override {
     EXPECT_EQ(
         num_requests_since_last_success_ >
             RenderWidgetCompositor::OUTPUT_SURFACE_RETRIES_BEFORE_FALLBACK,
         fallback);
     last_create_was_fallback_ = fallback;
+
     bool success = num_failures_ >= num_failures_before_success_;
-    if (success) {
-      std::unique_ptr<cc::TestWebGraphicsContext3D> context =
-          cc::TestWebGraphicsContext3D::Create();
-      // Image support required for synchronous compositing.
-      context->set_support_image(true);
-      // Create delegating surface so that max_pending_frames = 1.
-      return cc::FakeOutputSurface::CreateDelegating3d(std::move(context));
+    if (!success && use_null_output_surface_)
+      return nullptr;
+
+    auto context_provider = cc::TestContextProvider::Create();
+    if (!success) {
+      context_provider->UnboundTestContext3d()->loseContextCHROMIUM(
+          GL_GUILTY_CONTEXT_RESET_ARB, GL_INNOCENT_CONTEXT_RESET_ARB);
     }
-    return use_null_output_surface_
-               ? nullptr
-               : base::WrapUnique(new cc::FailureOutputSurface(true));
+
+    // Create delegating surface so that max_pending_frames = 1.
+    return cc::FakeOutputSurface::CreateDelegating3d(
+        std::move(context_provider));
   }
 
   std::unique_ptr<cc::BeginFrameSource> CreateExternalBeginFrameSource()
       override {
     double refresh_rate = 200.0;
     bool tick_automatically = true;
     return base::MakeUnique<cc::FakeExternalBeginFrameSource>(
         refresh_rate, tick_automatically);
   }
 
@@ skipping 189 matching lines @@
 }
 
 TEST_F(RenderWidgetCompositorOutputSurfaceTest, FallbackSuccessNormalSuccess) {
   // The first success is a fallback, but the next should not be a fallback.
   RunTest(false, RenderWidgetCompositor::OUTPUT_SURFACE_RETRIES_BEFORE_FALLBACK,
           1, 1);
 }
 
 }  // namespace
 }  // namespace content