Add option to not generate resources on bind in OpenGL ES

gpu/command_buffer/service/context_group.h

Index: gpu/command_buffer/service/context_group.h
diff --git a/gpu/command_buffer/service/context_group.h b/gpu/command_buffer/service/context_group.h
index a2e63828c5386ab7a197c4d918b373788abe7a2f..f130dc6ff6b50a811f989d02f50902cd555c87d9 100644
--- a/gpu/command_buffer/service/context_group.h
+++ b/gpu/command_buffer/service/context_group.h
@@ -36,7 +36,7 @@ class ContextGroup : public base::RefCounted<ContextGroup> {
  public:
   typedef scoped_refptr<ContextGroup> Ref;
 
-  ContextGroup();
+  explicit ContextGroup(bool bind_generates_resource);
   ~ContextGroup();
 
   // This should only be called by GLES2Decoder.
@@ -48,6 +48,10 @@ class ContextGroup : public base::RefCounted<ContextGroup> {
     have_context_ = have_context;
   }
 
+  bool bind_generates_resource() {
+    return bind_generates_resource_;
+  }
+
   uint32 max_vertex_attribs() const {
     return max_vertex_attribs_;
   }
@@ -113,6 +117,7 @@ class ContextGroup : public base::RefCounted<ContextGroup> {
   // Whether or not this context is initialized.
   bool initialized_;
   bool have_context_;
+  bool bind_generates_resource_;
 
   uint32 max_vertex_attribs_;
   uint32 max_texture_units_;