blimp: Set up the CompositorDependencies for blimp in Chrome.

blimp/client/support/compositor/compositor_dependencies_impl.cc

Index: blimp/client/support/compositor/compositor_dependencies_impl.cc
diff --git a/blimp/client/support/compositor/compositor_dependencies_impl.cc b/blimp/client/support/compositor/compositor_dependencies_impl.cc
index 56ebf21a719a0a50be423d0fe3a3b8655f7744ee..a62b9c39a937219675281f34bbae0d06c0c2c9b0 100644
--- a/blimp/client/support/compositor/compositor_dependencies_impl.cc
+++ b/blimp/client/support/compositor/compositor_dependencies_impl.cc
@@ -91,15 +91,20 @@ cc::SurfaceManager* CompositorDependenciesImpl::GetSurfaceManager() {
   return surface_manager_.get();
 }
 
-uint32_t CompositorDependenciesImpl::AllocateSurfaceId() {
+uint32_t CompositorDependenciesImpl::AllocateSurfaceClientId() {
   return ++next_surface_id_;
 }
 
-void CompositorDependenciesImpl::GetContextProvider(
+void CompositorDependenciesImpl::GetContextProviders(
     const CompositorDependencies::ContextProviderCallback& callback) {
-  scoped_refptr<cc::ContextProvider> provider = BlimpContextProvider::Create(
-      gfx::kNullAcceleratedWidget, gpu_memory_buffer_manager_.get());
-  callback.Run(provider);
+  scoped_refptr<cc::ContextProvider> compositor_context =
+      BlimpContextProvider::Create(gfx::kNullAcceleratedWidget,
+                                   gpu_memory_buffer_manager_.get());
+
+  // TODO(khushalsagar): Make a worker context and bind to the current thread.
+  ContextProviders context_providers;
+  context_providers.compositor_context_provider = std::move(compositor_context);
+  callback.Run(context_providers);
 }
 
 }  // namespace client