file_manager: Rename root_path to root_url

chrome/renderer/extensions/file_browser_private_custom_bindings.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 "chrome/renderer/extensions/file_browser_private_custom_bindings.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/logging.h"
@@ skipping 14 matching lines @@
        base::Bind(&FileBrowserPrivateCustomBindings::GetFileSystem,
                   base::Unretained(this)));
 }
 
 void FileBrowserPrivateCustomBindings::GetFileSystem(
     const v8::FunctionCallbackInfo<v8::Value>& args) {
   DCHECK(args.Length() == 2);
   DCHECK(args[0]->IsString());
   DCHECK(args[1]->IsString());
   std::string name(*v8::String::Utf8Value(args[0]));
-  std::string path(*v8::String::Utf8Value(args[1]));
+  std::string root_url(*v8::String::Utf8Value(args[1]));
 
   WebKit::WebFrame* webframe =
       WebKit::WebFrame::frameForContext(context()->v8_context());
   DCHECK(webframe);
   args.GetReturnValue().Set(
       webframe->createFileSystem(
           WebKit::WebFileSystemTypeExternal,
           WebKit::WebString::fromUTF8(name.c_str()),
-          WebKit::WebString::fromUTF8(path.c_str())));
+          WebKit::WebString::fromUTF8(root_url.c_str())));
 }
 
 }  // namespace extensions