cc: Fix aborted commits with evicted textures

cc/trees/thread_proxy.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/thread_proxy.h"
 
 #include <string>
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
@@ skipping 216 matching lines @@
                  &completion,
                  visible));
   completion.Wait();
 }
 
 void ThreadProxy::SetVisibleOnImplThread(CompletionEvent* completion,
                                          bool visible) {
   TRACE_EVENT0("cc", "ThreadProxy::SetVisibleOnImplThread");
   layer_tree_host_impl_->SetVisible(visible);
   scheduler_on_impl_thread_->SetVisible(visible);
+  layer_tree_host_impl_->UpdateBackgroundAnimateTicking(
+      !scheduler_on_impl_thread_->WillDrawIfNeeded());
   completion->Signal();
 }
 
 void ThreadProxy::DoCreateAndInitializeOutputSurface() {
   TRACE_EVENT0("cc", "ThreadProxy::DoCreateAndInitializeOutputSurface");
   DCHECK(IsMainThread());
 
   scoped_ptr<OutputSurface> output_surface = first_output_surface_.Pass();
   if (!output_surface)
     output_surface = layer_tree_host_->CreateOutputSurface();
@@ skipping 643 matching lines @@
   DCHECK(IsImplThread());
   DCHECK(scheduler_on_impl_thread_);
   DCHECK(scheduler_on_impl_thread_->CommitPending());
   DCHECK(!layer_tree_host_impl_->pending_tree());
 
   // If the begin frame data was handled, then scroll and scale set was applied
   // by the main thread, so the active tree needs to be updated as if these sent
   // values were applied and committed.
   if (did_handle) {
     layer_tree_host_impl_->active_tree()->ApplySentScrollAndScaleDeltas();
+    layer_tree_host_impl_->active_tree()->ResetContentsTexturesPurged();
     SetInputThrottledUntilCommitOnImplThread(false);
   }
   scheduler_on_impl_thread_->BeginFrameAbortedByMainThread(did_handle);
 }
 
 void ThreadProxy::ScheduledActionCommit() {
   TRACE_EVENT0("cc", "ThreadProxy::ScheduledActionCommit");
   DCHECK(IsImplThread());
   DCHECK(commit_completion_event_on_impl_thread_);
   DCHECK(current_resource_update_controller_on_impl_thread_);
@@ skipping 593 matching lines @@
     DCHECK(layer_tree_host_impl_->settings().impl_side_painting);
     completion_event_for_commit_held_on_tree_activation_->Signal();
     completion_event_for_commit_held_on_tree_activation_ = NULL;
   }
 
   commit_to_activate_duration_history_.InsertSample(
       base::TimeTicks::HighResNow() - commit_complete_time_);
 }
 
 }  // namespace cc