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

content/browser/service_worker/service_worker_version.cc

 // Copyright 2013 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/browser/service_worker/service_worker_version.h"
 
 #include <stddef.h>
 
 #include <limits>
 #include <map>
@@ skipping 1351 matching lines @@
   ping_controller_->OnPongReceived();
 }
 
 void ServiceWorkerVersion::OnRegisterForeignFetchScopes(
     const std::vector<GURL>& sub_scopes,
     const std::vector<url::Origin>& origins) {
   DCHECK(status() == INSTALLING || status() == REDUNDANT) << status();
   // Renderer should have already verified all these urls are inside the
   // worker's scope, but verify again here on the browser process side.
   GURL origin = scope_.GetOrigin();
-  std::string scope_path = scope_.path();
+  base::StringPiece scope_path = scope_.path();
   for (const GURL& url : sub_scopes) {
     if (!url.is_valid() || url.GetOrigin() != origin ||
         !base::StartsWith(url.path(), scope_path,
                           base::CompareCase::SENSITIVE)) {
       DVLOG(1) << "Received unexpected invalid URL from renderer process.";
       BrowserThread::PostTask(
           BrowserThread::UI, FROM_HERE,
           base::Bind(&KillEmbeddedWorkerProcess, embedded_worker_->process_id(),
                      RESULT_CODE_KILLED_BAD_MESSAGE));
       return;
@@ skipping 495 matching lines @@
 
 void ServiceWorkerVersion::CleanUpExternalRequest(
     const std::string& request_uuid,
     ServiceWorkerStatusCode status) {
   if (status == SERVICE_WORKER_OK)
     return;
   external_request_uuid_to_request_id_.erase(request_uuid);
 }
 
 }  // namespace content