Make GetURLForDebugging return a const GURL

chrome/common/resource_dispatcher_unittest.cc

 // Copyright (c) 2006-2008 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 <string>
 #include <vector>
 
 #include "base/message_loop.h"
 #include "base/process.h"
 #include "base/scoped_ptr.h"
@@ skipping 39 matching lines @@
 
   virtual void OnUploadProgress(uint64 position, uint64 size) {
   }
 
   virtual void OnCompletedRequest(const URLRequestStatus& status,
                                   const std::string& security_info) {
     EXPECT_FALSE(complete_);
     complete_ = true;
   }
 
-  virtual std::string GetURLForDebugging() {
-    return std::string();
+  virtual GURL GetURLForDebugging() const {
+    return GURL();
   }
 
   const std::string& data() const {
     return data_;
   }
   const bool complete() const {
     return complete_;
   }
 
  private:
@@ skipping 180 matching lines @@
     set_defer_loading(false);
   }
 
   virtual void OnUploadProgress(uint64 position, uint64 size) {
   }
 
   virtual void OnCompletedRequest(const URLRequestStatus& status,
                                   const std::string& security_info) {
   }
 
-  virtual std::string GetURLForDebugging() {
-    return std::string();
+  virtual GURL GetURLForDebugging() const {
+    return GURL();
   }
 
  protected:
   virtual void SetUp() {
     EXPECT_EQ(true, shared_handle_.Create(L"DeferredResourceLoaderTest", false,
                                           false, 100));
     ResourceDispatcherTest::SetUp();
   }
 
   virtual void TearDown() {
@@ skipping 21 matching lines @@
   ResourceLoaderBridge* bridge = CreateBridge();
 
   bridge->Start(this);
   InitMessages();
 
   // Dispatch deferred messages.
   message_loop.RunAllPending();
   delete bridge;
 }