Introduce components/display_compositor

content/browser/compositor/gpu_process_transport_factory.cc

 // Copyright 2014 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 "content/browser/compositor/gpu_process_transport_factory.h"
 
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/metrics/histogram.h"
 #include "base/single_thread_task_runner.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/threading/simple_thread.h"
 #include "base/threading/thread.h"
 #include "build/build_config.h"
 #include "cc/base/histograms.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/output_surface.h"
 #include "cc/raster/single_thread_task_graph_runner.h"
 #include "cc/raster/task_graph_runner.h"
 #include "cc/surfaces/onscreen_display_client.h"
 #include "cc/surfaces/surface_display_output_surface.h"
 #include "cc/surfaces/surface_manager.h"
+#include "components/display_compositor/gl_helper.h"
 #include "content/browser/compositor/browser_compositor_output_surface.h"
 #include "content/browser/compositor/browser_compositor_overlay_candidate_validator.h"
-#include "content/browser/compositor/gl_helper.h"
 #include "content/browser/compositor/gpu_browser_compositor_output_surface.h"
 #include "content/browser/compositor/gpu_surfaceless_browser_compositor_output_surface.h"
 #include "content/browser/compositor/offscreen_browser_compositor_output_surface.h"
 #include "content/browser/compositor/reflector_impl.h"
 #include "content/browser/compositor/software_browser_compositor_output_surface.h"
 #include "content/browser/compositor/software_output_device_mus.h"
 #include "content/browser/gpu/browser_gpu_channel_host_factory.h"
 #include "content/browser/gpu/browser_gpu_memory_buffer_manager.h"
 #include "content/browser/gpu/gpu_data_manager_impl.h"
 #include "content/browser/gpu/gpu_surface_tracker.h"
@@ skipping 441 matching lines @@
   if (data->surface_id)
     GpuSurfaceTracker::Get()->RemoveSurface(data->surface_id);
   delete data;
   per_compositor_data_.erase(it);
   if (per_compositor_data_.empty()) {
     // Destroying the GLHelper may cause some async actions to be cancelled,
     // causing things to request a new GLHelper. Due to crbug.com/176091 the
     // GLHelper created in this case would be lost/leaked if we just reset()
     // on the |gl_helper_| variable directly. So instead we call reset() on a
     // local std::unique_ptr.
-    std::unique_ptr<GLHelper> helper = std::move(gl_helper_);
+    std::unique_ptr<display_compositor::GLHelper> helper =
+        std::move(gl_helper_);
 
     // If there are any observer left at this point, make sure they clean up
     // before we destroy the GLHelper.
     FOR_EACH_OBSERVER(
         ImageTransportFactoryObserver, observer_list_, OnLostResources());
 
     helper.reset();
     DCHECK(!gl_helper_) << "Destroying the GLHelper should not cause a new "
                            "GLHelper to be created.";
   }
@@ skipping 45 matching lines @@
   PerCompositorData* data = it->second;
   DCHECK(data);
   if (data->display_client)
     data->display_client->display()->Resize(size);
 }
 
 cc::SurfaceManager* GpuProcessTransportFactory::GetSurfaceManager() {
   return surface_manager_.get();
 }
 
-GLHelper* GpuProcessTransportFactory::GetGLHelper() {
+display_compositor::GLHelper* GpuProcessTransportFactory::GetGLHelper() {
   if (!gl_helper_ && !per_compositor_data_.empty()) {
     scoped_refptr<cc::ContextProvider> provider =
         SharedMainThreadContextProvider();
     if (provider.get())
-      gl_helper_.reset(new GLHelper(provider->ContextGL(),
-                                    provider->ContextSupport()));
+      gl_helper_.reset(new display_compositor::GLHelper(
+          provider->ContextGL(), provider->ContextSupport()));
   }
   return gl_helper_.get();
 }
 
 void GpuProcessTransportFactory::AddObserver(
     ImageTransportFactoryObserver* observer) {
   observer_list_.AddObserver(observer);
 }
 
 void GpuProcessTransportFactory::RemoveObserver(
@@ skipping 94 matching lines @@
   LOG(ERROR) << "Lost UI shared context.";
 
   // Keep old resources around while we call the observers, but ensure that
   // new resources are created if needed.
   // Kill shared contexts for both threads in tandem so they are always in
   // the same share group.
   scoped_refptr<cc::ContextProvider> lost_shared_main_thread_contexts =
       shared_main_thread_contexts_;
   shared_main_thread_contexts_  = NULL;
 
-  std::unique_ptr<GLHelper> lost_gl_helper = std::move(gl_helper_);
+  std::unique_ptr<display_compositor::GLHelper> lost_gl_helper =
+      std::move(gl_helper_);
 
   FOR_EACH_OBSERVER(ImageTransportFactoryObserver,
                     observer_list_,
                     OnLostResources());
 
   // Kill things that use the shared context before killing the shared context.
   lost_gl_helper.reset();
   lost_shared_main_thread_contexts  = NULL;
 }
 
 }  // namespace content