Update Linux to use scoped_refptr<T>::get() rather than implicit "operator T*"

gpu/command_buffer/service/shader_manager.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "gpu/command_buffer/service/shader_manager.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/strings/string_util.h"
@@ skipping 99 matching lines @@
   std::pair<ShaderMap::iterator, bool> result =
       shaders_.insert(std::make_pair(
           client_id, scoped_refptr<Shader>(
               new Shader(service_id, shader_type))));
   DCHECK(result.second);
   return result.first->second.get();
 }
 
 Shader* ShaderManager::GetShader(GLuint client_id) {
   ShaderMap::iterator it = shaders_.find(client_id);
-  return it != shaders_.end() ? it->second : NULL;
+  return it != shaders_.end() ? it->second.get() : NULL;
 }
 
 bool ShaderManager::GetClientId(GLuint service_id, GLuint* client_id) const {
   // This doesn't need to be fast. It's only used during slow queries.
   for (ShaderMap::const_iterator it = shaders_.begin();
        it != shaders_.end(); ++it) {
     if (it->second->service_id() == service_id) {
       *client_id = it->first;
       return true;
     }
@@ skipping 43 matching lines @@
   DCHECK(shader);
   DCHECK(IsOwned(shader));
   shader->DecUseCount();
   RemoveShader(shader);
 }
 
 }  // namespace gles2
 }  // namespace gpu