Remove implicit scoped_refptr operator T*

gpu/command_buffer/service/vertex_attrib_manager.h

Index: gpu/command_buffer/service/vertex_attrib_manager.h
diff --git a/gpu/command_buffer/service/vertex_attrib_manager.h b/gpu/command_buffer/service/vertex_attrib_manager.h
index 95f58b1a1699eb756cab13267b4d08543329e0c1..86f7857d8b7feab165439b92b42cea7bc4d714b6 100644
--- a/gpu/command_buffer/service/vertex_attrib_manager.h
+++ b/gpu/command_buffer/service/vertex_attrib_manager.h
@@ -43,7 +43,7 @@ class GPU_EXPORT VertexAttribManager :
     bool CanAccess(GLuint index) const;
 
     BufferManager::BufferInfo* buffer() const {
-      return buffer_;
+      return buffer_.get();
     }
 
     GLsizei offset() const {
@@ -138,7 +138,7 @@ class GPU_EXPORT VertexAttribManager :
     }
 
     void Unbind(BufferManager::BufferInfo* buffer) {
-      if (buffer_ == buffer) {
+      if (buffer_.get() == buffer) {
         buffer_ = NULL;
       }
     }
@@ -240,7 +240,7 @@ class GPU_EXPORT VertexAttribManager :
   }
 
   BufferManager::BufferInfo* element_array_buffer() const {
-    return element_array_buffer_;
+    return element_array_buffer_.get();
   }
 
   GLuint service_id() const {