Support mojo applications in GPU process.

content/gpu/gpu_child_thread.h

 // Copyright (c) 2012 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.
 
 #ifndef CONTENT_GPU_GPU_CHILD_THREAD_H_
 #define CONTENT_GPU_GPU_CHILD_THREAD_H_
 
 #include <queue>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "content/child/child_thread_impl.h"
 #include "content/common/gpu/gpu_channel.h"
 #include "content/common/gpu/gpu_channel_manager.h"
 #include "content/common/gpu/gpu_config.h"
 #include "content/common/gpu/x_util.h"
 #include "gpu/config/gpu_info.h"
+#include "mojo/common/weak_binding_set.h"
+#include "third_party/mojo/src/mojo/public/cpp/bindings/interface_request.h"
 #include "ui/gfx/native_widget_types.h"
 
 namespace gpu {
 class SyncPointManager;
 }
 
 namespace sandbox {
 class TargetServices;
 }
 
 namespace content {
 class GpuMemoryBufferFactory;
+class GpuProcessControlImpl;
 class GpuWatchdogThread;
+class ProcessControl;
 
 // The main thread of the GPU child process. There will only ever be one of
 // these per process. It does process initialization and shutdown. It forwards
 // IPC messages to GpuChannelManager, which is responsible for issuing rendering
 // commands to the GPU.
 class GpuChildThread : public ChildThreadImpl {
  public:
   typedef std::queue<IPC::Message*> DeferredMessages;
 
   GpuChildThread(GpuWatchdogThread* gpu_watchdog_thread,
@@ skipping 30 matching lines @@
   void OnClean();
   void OnCrash();
   void OnHang();
   void OnDisableWatchdog();
   void OnGpuSwitched();
 
 #if defined(USE_TCMALLOC)
   void OnGetGpuTcmalloc();
 #endif
 
+  void BindProcessControlRequest(
+      mojo::InterfaceRequest<ProcessControl> request);
+
   // Set this flag to true if a fatal error occurred before we receive the
   // OnInitialize message, in which case we just declare ourselves DOA.
   bool dead_on_arrival_;
   base::Time process_start_time_;
   scoped_refptr<GpuWatchdogThread> watchdog_thread_;
 
 #if defined(OS_WIN)
   // Windows specific client sandbox interface.
   sandbox::TargetServices* target_services_;
 #endif
 
   // Non-owning.
   gpu::SyncPointManager* sync_point_manager_;
 
   scoped_ptr<GpuChannelManager> gpu_channel_manager_;
 
   // Information about the GPU, such as device and vendor ID.
   gpu::GPUInfo gpu_info_;
 
   // Error messages collected in gpu_main() before the thread is created.
   DeferredMessages deferred_messages_;
 
   // Whether the GPU thread is running in the browser process.
   bool in_browser_process_;
 
   // The GpuMemoryBufferFactory instance used to allocate GpuMemoryBuffers.
   GpuMemoryBufferFactory* const gpu_memory_buffer_factory_;
 
+  // Process control for Mojo application hosting.
+  scoped_ptr<GpuProcessControlImpl> process_control_;
+
+  // Bindings to the ProcessControl impl.
+  mojo::WeakBindingSet<ProcessControl> process_control_bindings_;
+
   DISALLOW_COPY_AND_ASSIGN(GpuChildThread);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_GPU_GPU_CHILD_THREAD_H_