Don't use fallback frame sinks on Android

content/renderer/gpu/render_widget_compositor.cc

 // Copyright (c) 2013 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 <stddef.h>
 
 #include <cmath>
 #include <limits>
@@ skipping 1106 matching lines @@
 
 void RenderWidgetCompositor::RequestNewCompositorFrameSink() {
   // If the host is closing, then no more compositing is possible.  This
   // prevents shutdown races between handling the close message and
   // the CreateCompositorFrameSink task.
   if (delegate_->IsClosing())
     return;
 
   bool fallback = num_failed_recreate_attempts_ >=
                   COMPOSITOR_FRAME_SINK_RETRIES_BEFORE_FALLBACK;
+
+#ifdef OS_ANDROID
+  LOG_IF(FATAL, fallback) << "Android does not support fallback frame sinks.";
+#endif
+
   delegate_->RequestNewCompositorFrameSink(
       fallback, base::Bind(&RenderWidgetCompositor::SetCompositorFrameSink,
                            weak_factory_.GetWeakPtr()));
 }
 
 void RenderWidgetCompositor::DidInitializeCompositorFrameSink() {
   num_failed_recreate_attempts_ = 0;
 }
 
 void RenderWidgetCompositor::DidFailToInitializeCompositorFrameSink() {
@@ skipping 70 matching lines @@
     const cc::LocalSurfaceId& local_surface_id) {
   layer_tree_host_->SetLocalSurfaceId(local_surface_id);
 }
 
 void RenderWidgetCompositor::NotifySwapTime(ReportTimeCallback callback) {
   QueueSwapPromise(base::MakeUnique<ReportTimeSwapPromise>(
       std::move(callback), base::ThreadTaskRunnerHandle::Get()));
 }
 
 }  // namespace content