Remove uses of external begin frame sources

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"
@@ skipping 27 matching lines @@
   void ApplyViewportDeltas(const gfx::Vector2dF& inner_delta,
                            const gfx::Vector2dF& outer_delta,
                            const gfx::Vector2dF& elastic_overscroll_delta,
                            float page_scale,
                            float top_controls_delta) override {}
   void BeginMainFrame(double frame_time_sec) override {}
   std::unique_ptr<cc::OutputSurface> CreateOutputSurface(
       bool fallback) override {
     return nullptr;
   }
-  std::unique_ptr<cc::BeginFrameSource> CreateExternalBeginFrameSource()
-      override {
-    return nullptr;
-  }
   void DidCommitAndDrawCompositorFrame() override {}
   void DidCommitCompositorFrame() override {}
   void DidCompletePageScaleAnimation() override {}
   void DidCompleteSwapBuffers() override {}
   void ForwardCompositorProto(const std::vector<uint8_t>& proto) override {}
   bool IsClosing() const override { return false; }
   void OnSwapBuffersAborted() override {}
   void OnSwapBuffersComplete() override {}
   void OnSwapBuffersPosted() override {}
   void RequestScheduleAnimation() override {}
@@ skipping 26 matching lines @@
     if (!success) {
       context_provider->UnboundTestContext3d()->loseContextCHROMIUM(
           GL_GUILTY_CONTEXT_RESET_ARB, GL_INNOCENT_CONTEXT_RESET_ARB);
     }
 
     // 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);
-  }
-
   void add_success() {
     if (last_create_was_fallback_)
       ++num_fallback_successes_;
     else
       ++num_successes_;
     num_requests_since_last_success_ = 0;
   }
   int num_successes() const { return num_successes_; }
   int num_fallback_successes() const { return num_fallback_successes_; }
 
@@ skipping 181 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