Hide fullscreen rotation jank

cc/trees/proxy_impl.cc

 // Copyright 2015 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/proxy_impl.h"
 
 #include <string.h>
 
 #include <algorithm>
 #include <string>
@@ skipping 178 matching lines @@
   scheduler_->BeginMainFrameAborted(reason);
 }
 
 void ProxyImpl::SetVisibleOnImpl(bool visible) {
   TRACE_EVENT1("cc", "ProxyImpl::SetVisibleOnImplThread", "visible", visible);
   DCHECK(IsImplThread());
   layer_tree_host_impl_->SetVisible(visible);
   scheduler_->SetVisible(visible);
 }
 
+void ProxyImpl::SetIsFullscreenOnImpl(bool is_fullscreen) {
+  TRACE_EVENT1("cc", "ProxyImpl::SetIsFullscreenOnImplThread", "is_fullscreen",
+               is_fullscreen);
+  DCHECK(IsImplThread());
+  layer_tree_host_impl_->SetIsFullscreen(is_fullscreen);
+}
+
 void ProxyImpl::ReleaseCompositorFrameSinkOnImpl(CompletionEvent* completion) {
   DCHECK(IsImplThread());
 
   // Unlike DidLoseCompositorFrameSinkOnImplThread, we don't need to call
   // LayerTreeHost::DidLoseCompositorFrameSink since it already knows.
   scheduler_->DidLoseCompositorFrameSink();
   layer_tree_host_impl_->ReleaseCompositorFrameSink();
   completion->Signal();
 }
 
@@ skipping 485 matching lines @@
 ProxyImpl::BlockedMainCommitOnly& ProxyImpl::blocked_main_commit() {
   DCHECK(IsMainThreadBlocked() && commit_completion_event_);
   return main_thread_blocked_commit_vars_unsafe_;
 }
 
 base::SingleThreadTaskRunner* ProxyImpl::MainThreadTaskRunner() {
   return task_runner_provider_->MainThreadTaskRunner();
 }
 
 }  // namespace cc