cc: Refactor ResourceProvider.

cc/trees/thread_proxy.cc

Index: cc/trees/thread_proxy.cc
diff --git a/cc/trees/thread_proxy.cc b/cc/trees/thread_proxy.cc
index 18f4e18ea96a347d43e7f667f2af1da430c3e038..452c0072f5c581d3a6c7f284dcc9a575d46e6a7b 100644
--- a/cc/trees/thread_proxy.cc
+++ b/cc/trees/thread_proxy.cc
@@ -25,8 +25,11 @@
 #include "cc/trees/blocking_task_runner.h"
 #include "cc/trees/layer_tree_host.h"
 #include "cc/trees/layer_tree_impl.h"
+#include "gpu/command_buffer/client/gles2_interface.h"
 #include "ui/gfx/frame_time.h"
 
+using gpu::gles2::GLES2Interface;
+
 namespace {
 
 // Measured in seconds.
@@ -1273,8 +1276,14 @@ void ThreadProxy::InitializeOutputSurfaceOnImplThread(
 void ThreadProxy::FinishGLOnImplThread(CompletionEvent* completion) {
   TRACE_EVENT0("cc", "ThreadProxy::FinishGLOnImplThread");
   DCHECK(IsImplThread());
-  if (impl().layer_tree_host_impl->resource_provider())
-    impl().layer_tree_host_impl->resource_provider()->Finish();
+  if (impl().layer_tree_host_impl->output_surface()->context_provider()) {
+    GLES2Interface* gl = impl()
+                             .layer_tree_host_impl->output_surface()
+                             ->context_provider()
+                             ->ContextGL();
+    if (gl)

[danakj, 2014/07/11 16:49:04]

don't need

[sohanjg, 2014/07/11 17:12:46]

Done.

+      gl->Finish();
+  }
   completion->Signal();
 }