Get rid of the following dependencies from content:

content/renderer/content_renderer_client.cc

 // Copyright (c) 2011 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 "content/renderer/content_renderer_client.h"
 
 #include "base/file_path.h"
 #include "content/renderer/render_view.h"
 
 using WebKit::WebFrame;
@@ skipping 47 matching lines @@
                                        bool* send_referrer) {
   return false;
 }
 
 bool ContentRendererClient::WillSendRequest(WebFrame* frame,
                                             const GURL& url,
                                             GURL* new_url) {
   return false;
 }
 
-FilePath ContentRendererClient::GetMediaLibraryPath() {
-  return FilePath();
-}
-
 bool ContentRendererClient::ShouldPumpEventsDuringCookieMessage() {
   return false;
 }
 
 void ContentRendererClient::DidCreateScriptContext(WebFrame* frame) {
 }
 
 void ContentRendererClient::DidDestroyScriptContext(WebFrame* frame) {
 }
 
@@ skipping 13 matching lines @@
                                              size_t length) {
 }
 
 bool ContentRendererClient::ShouldOverridePageVisibilityState(
     const RenderView* render_view,
     WebKit::WebPageVisibilityState* override_state) const {
   return false;
 }
 
 }  // namespace content