[WIP] make GURL::path() return a StringPiece

content/shell/browser/layout_test/layout_test_browser_context.cc

 // Copyright 2014 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/shell/browser/layout_test/layout_test_browser_context.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 49 matching lines @@
     GURL url = request->url();
     if (!base::EndsWith(url.path(), ".mojom",
                         base::CompareCase::INSENSITIVE_ASCII)) {
       return nullptr;
     }
     if (!GetBuildDirectory(&prefix))
       return nullptr;
 
     prefix = prefix.AppendASCII("gen");
 
-    base::FilePath path = prefix.AppendASCII(url.path().substr(2) + ".js");
+    base::FilePath path =
+        prefix.AppendASCII(url.path().substr(2).as_string() + ".js");
     if (path.ReferencesParent())
       return nullptr;
 
     return new net::URLRequestFileJob(
         request, network_delegate, path,
         BrowserThread::GetTaskRunnerForThread(BrowserThread::FILE));
   }
 };
 
 }  // namespace
@@ skipping 51 matching lines @@
     background_sync_controller_.reset(new MockBackgroundSyncController());
   return background_sync_controller_.get();
 }
 
 LayoutTestPermissionManager*
 LayoutTestBrowserContext::GetLayoutTestPermissionManager() {
   return static_cast<LayoutTestPermissionManager*>(GetPermissionManager());
 }
 
 }  // namespace content