Removed "compositor" child window that was created by the GPU process.

content/common/gpu/gpu_channel.cc

 // Copyright (c) 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.
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
 #include "content/common/gpu/gpu_channel.h"
 
@@ skipping 46 matching lines @@
 
 void GpuChannel::OnLatchCallback(int route_id, bool is_set_latch) {
 #if defined(ENABLE_GPU)
   if (is_set_latch) {
     // Wake up any waiting contexts. If they are still blocked, they will re-add
     // themselves to the set.
     for (std::set<int32>::iterator i = latched_routes_.begin();
          i != latched_routes_.end(); ++i) {
       GpuCommandBufferStub* stub = stubs_.Lookup(*i);
       if (stub)
-        stub->scheduler()->ScheduleProcessCommands();
+        stub->scheduler()->SetScheduled(true);
     }
     latched_routes_.clear();
   } else {
     // Add route_id context to a set to be woken upon any set latch.
     latched_routes_.insert(route_id);
+    GpuCommandBufferStub* stub = stubs_.Lookup(route_id);
+    if (stub)
+      stub->scheduler()->SetScheduled(false);
   }
 #endif
 }
 
 bool GpuChannel::OnMessageReceived(const IPC::Message& message) {
   if (log_messages_) {
     VLOG(1) << "received message @" << &message << " on channel @" << this
             << " with type " << message.type();
   }
 
@@ skipping 52 matching lines @@
   scoped_ptr<GpuCommandBufferStub> stub(new GpuCommandBufferStub(
       this, window, NULL, gfx::Size(), disallowed_extensions_,
       init_params.allowed_extensions,
       init_params.attribs, 0, *route_id, renderer_id_, render_view_id,
       watchdog_));
   router_.AddRoute(*route_id, stub.get());
   stubs_.AddWithID(stub.release(), *route_id);
 #endif  // ENABLE_GPU
 }
 
+void GpuChannel::ViewResized(int32 command_buffer_route_id) {
+  GpuCommandBufferStub* stub = stubs_.Lookup(command_buffer_route_id);
+  if (stub == NULL)
+    return;
+
+  stub->ViewResized();
+}
+
 #if defined(OS_MACOSX)
 void GpuChannel::AcceleratedSurfaceBuffersSwapped(
     int32 route_id, uint64 swap_buffers_count) {
   GpuCommandBufferStub* stub = stubs_.Lookup(route_id);
   if (stub == NULL)
     return;
   stub->AcceleratedSurfaceBuffersSwapped(swap_buffers_count);
 }
 
 void GpuChannel::DestroyCommandBufferByViewId(int32 render_view_id) {
@@ skipping 162 matching lines @@
 
 #if defined(OS_POSIX)
 int GpuChannel::GetRendererFileDescriptor() {
   int fd = -1;
   if (channel_.get()) {
     fd = channel_->GetClientFileDescriptor();
   }
   return fd;
 }
 #endif  // defined(OS_POSIX)