Add InProcessContextProvider and update InProcessCommandBuffer

ui/compositor/test/in_process_context_factory.cc

Index: ui/compositor/test/in_process_context_factory.cc
diff --git a/ui/compositor/test/in_process_context_factory.cc b/ui/compositor/test/in_process_context_factory.cc
index 42dd8b51c350b8115de56e86f054925bc811e745..4c4f5bef30a0688a87f3cd8da73f7cfa106433de 100644
--- a/ui/compositor/test/in_process_context_factory.cc
+++ b/ui/compositor/test/in_process_context_factory.cc
@@ -32,6 +32,10 @@
 #include "ui/gl/gl_implementation.h"
 #include "ui/gl/test/gl_surface_test_support.h"
 
+#if !defined(GPU_SURFACE_HANDLE_IS_ACCELERATED_WINDOW)
+#include "gpu/ipc/common/gpu_surface_tracker.h"
+#endif
+
 namespace ui {
 namespace {
 
@@ -166,10 +170,17 @@ void InProcessContextFactory::CreateCompositorFrameSink(
   attribs.sample_buffers = 0;
   attribs.fail_if_major_perf_caveat = false;
   attribs.bind_generates_resource = false;
+  gpu::SurfaceHandle surface_handle = gpu::kNullSurfaceHandle;
+#if defined(GPU_SURFACE_HANDLE_IS_ACCELERATED_WINDOW)
+  surface_handle = compositor->widget();
+#else
+  gpu::GpuSurfaceTracker* tracker = gpu::GpuSurfaceTracker::Get();
+  surface_handle = tracker->AddSurfaceForNativeWidget(compositor->widget());

[piman, 2016/11/16 20:48:50]

Should we remove in RemoveCompositor?

+#endif
   scoped_refptr<InProcessContextProvider> context_provider =
       InProcessContextProvider::Create(
           attribs, shared_worker_context_provider_.get(),
-          &gpu_memory_buffer_manager_, &image_factory_, compositor->widget(),
+          &gpu_memory_buffer_manager_, &image_factory_, surface_handle,
           "UICompositor");
 
   std::unique_ptr<cc::OutputSurface> display_output_surface;