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

chrome/renderer/extensions/resource_request_policy.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/resource_request_policy.h"
 
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/common/extensions/chrome_manifest_url_handlers.h"
 #include "chrome/common/url_constants.h"
@@ skipping 38 matching lines @@
     // 404 from the browser process.
     return true;
   }
 
   // Disallow loading of packaged resources for hosted apps. We don't allow
   // hybrid hosted/packaged apps. The one exception is access to icons, since
   // some extensions want to be able to do things like create their own
   // launchers.
   std::string resource_root_relative_path =
       resource_url.path().empty() ? std::string()
-      : resource_url.path().substr(1);
+                                  : resource_url.path().substr(1).as_string();
   if (extension->is_hosted_app() &&
       !IconsInfo::GetIcons(extension)
           .ContainsPath(resource_root_relative_path)) {
     LOG(ERROR) << "Denying load of " << resource_url.spec() << " from "
                << "hosted app.";
     return false;
   }
 
   // Disallow loading of extension resources which are not explicitly listed
   // as web or WebView accessible if the manifest version is 2 or greater.
   if (!WebAccessibleResourcesInfo::IsResourceWebAccessible(
-          extension, resource_url.path()) &&
+          extension, resource_url.path().as_string()) &&
       !WebviewInfo::IsResourceWebviewAccessible(
           extension, dispatcher_->webview_partition_id(),
-          resource_url.path())) {
+          resource_url.path().as_string())) {
     GURL frame_url = frame->document().url();
 
     // The page_origin may be GURL("null") for unique origins like data URLs,
     // but this is ok for the checks below.  We only care if it matches the
     // current extension or has a devtools scheme.
     GURL page_origin = url::Origin(frame->top()->getSecurityOrigin()).GetURL();
 
     // Exceptions are:
     // - empty origin (needed for some edge cases when we have empty origins)
     bool is_empty_origin = frame_url.is_empty();
@@ skipping 43 matching lines @@
     frame->addMessageToConsole(
         blink::WebConsoleMessage(blink::WebConsoleMessage::LevelError,
                                   blink::WebString::fromUTF8(message)));
     return false;
   }
 
   return true;
 }
 
 }  // namespace extensions