Move compositor thread input handling logic into content

cc/trees/thread_proxy.cc

Index: cc/trees/thread_proxy.cc
diff --git a/cc/trees/thread_proxy.cc b/cc/trees/thread_proxy.cc
index 1d355cde39493c29e1c10a98e07d8d1a96894aec..c8b8cc411a5d78e98e7f0b4ae4a55f02186391aa 100644
--- a/cc/trees/thread_proxy.cc
+++ b/cc/trees/thread_proxy.cc
@@ -516,8 +516,7 @@ void ThreadProxy::MainThreadHasStoppedFlinging() {
 
 void ThreadProxy::MainThreadHasStoppedFlingingOnImplThread() {
   DCHECK(IsImplThread());
-  if (input_handler_client_on_impl_thread_)
-    input_handler_client_on_impl_thread_->MainThreadHasStoppedFlinging();
+  layer_tree_host_impl_->MainThreadHasStoppedFlinging();
 }
 
 void ThreadProxy::Start(scoped_ptr<OutputSurface> first_output_surface) {
@@ -527,13 +526,10 @@ void ThreadProxy::Start(scoped_ptr<OutputSurface> first_output_surface) {
   // Create LayerTreeHostImpl.
   DebugScopedSetMainThreadBlocked main_thread_blocked(this);
   CompletionEvent completion;
-  scoped_ptr<InputHandlerClient> input_handler_client =
-      layer_tree_host_->CreateInputHandlerClient();
   Proxy::ImplThread()->PostTask(
       base::Bind(&ThreadProxy::InitializeImplOnImplThread,
                  base::Unretained(this),
-                 &completion,
-                 input_handler_client.release()));
+                 &completion));
   completion.Wait();
 
   main_thread_weak_ptr_ = weak_factory_.GetWeakPtr();
@@ -897,9 +893,6 @@ ThreadProxy::ScheduledActionDrawAndSwapInternal(bool forced_draw) {
       layer_tree_host_impl_->CurrentFrameTimeTicks();
   base::Time wall_clock_time = layer_tree_host_impl_->CurrentFrameTime();
 
-  if (input_handler_client_on_impl_thread_)
-    input_handler_client_on_impl_thread_->Animate(monotonic_time);
-
   layer_tree_host_impl_->ActivatePendingTreeIfNeeded();
   layer_tree_host_impl_->Animate(monotonic_time, wall_clock_time);
   layer_tree_host_impl_->UpdateBackgroundAnimateTicking(false);
@@ -1098,9 +1091,7 @@ void ThreadProxy::HasInitializedOutputSurfaceOnImplThread(
   completion->Signal();
 }
 
-void ThreadProxy::InitializeImplOnImplThread(
-    CompletionEvent* completion,
-    InputHandlerClient* input_handler_client) {
+void ThreadProxy::InitializeImplOnImplThread(CompletionEvent* completion) {
   TRACE_EVENT0("cc", "ThreadProxy::InitializeImplOnImplThread");
   DCHECK(IsImplThread());
   layer_tree_host_impl_ = layer_tree_host_->CreateLayerTreeHostImpl(this);
@@ -1135,12 +1126,6 @@ void ThreadProxy::InitializeImplOnImplThread(
                                                 scheduler_settings);
   scheduler_on_impl_thread_->SetVisible(layer_tree_host_impl_->visible());
 
-  input_handler_client_on_impl_thread_.reset(input_handler_client);
-  if (input_handler_client_on_impl_thread_) {
-    input_handler_client_on_impl_thread_->BindToHandler(
-        layer_tree_host_impl_.get());
-  }
-
   impl_thread_weak_ptr_ = weak_factory_on_impl_thread_.GetWeakPtr();
   completion->Signal();
 }
@@ -1206,7 +1191,6 @@ void ThreadProxy::LayerTreeHostClosedOnImplThread(CompletionEvent* completion) {
   layer_tree_host_->DeleteContentsTexturesOnImplThread(
       layer_tree_host_impl_->resource_provider());
   layer_tree_host_impl_->EnableVSyncNotification(false);
-  input_handler_client_on_impl_thread_.reset();
   scheduler_on_impl_thread_.reset();
   layer_tree_host_impl_.reset();
   weak_factory_on_impl_thread_.InvalidateWeakPtrs();