Do not share FBOs/VAOs/Transform feedback objects across contexts

gpu/command_buffer/service/gles2_cmd_decoder.h

Index: gpu/command_buffer/service/gles2_cmd_decoder.h
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder.h b/gpu/command_buffer/service/gles2_cmd_decoder.h
index 75814766f62bfdae3f838787c42738908fb6eea4..3e43f7c2ab6edf1ce080cfffbdc3885fcbb55f57 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder.h
+++ b/gpu/command_buffer/service/gles2_cmd_decoder.h
@@ -43,6 +43,7 @@ namespace gles2 {
 class ContextGroup;
 class ErrorState;
 class FeatureInfo;
+class FramebufferManager;
 class GLES2Util;
 class ImageManager;
 class Logger;
@@ -204,6 +205,9 @@ class GPU_EXPORT GLES2Decoder : public base::SupportsWeakPtr<GLES2Decoder>,
   // Gets the QueryManager for this context.
   virtual QueryManager* GetQueryManager() = 0;
 
+  // Gets the FramebufferManager for this context.
+  virtual FramebufferManager* GetFramebufferManager() = 0;
+
   // Gets the TransformFeedbackManager for this context.
   virtual TransformFeedbackManager* GetTransformFeedbackManager() = 0;