Update InterceptingResourceHandler tests to use MockResourceLoader.

content/browser/loader/test_resource_handler.h

 // Copyright 2016 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.
 
 #ifndef CONTENT_BROWSER_LOADER_TEST_RESOURCE_HANDLER_H_
 #define CONTENT_BROWSER_LOADER_TEST_RESOURCE_HANDLER_H_
 
 #include <memory>
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
+#include "base/memory/weak_ptr.h"
 #include "base/run_loop.h"
 #include "content/browser/loader/resource_handler.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
 #include "net/url_request/url_request_status.h"
 #include "url/gurl.h"
 
 namespace net {
 class URLRequestStatus;
 }
@@ skipping 127 matching lines @@
   int call_depth() const { return call_depth_; }
 
   // Spins the message loop until the request is deferred.  Using this is
   // optional, but if used, must use it exclusively to wait for the request. If
   // the request was deferred and then resumed/canceled without calling this
   // method, behavior is undefined.
   void WaitUntilDeferred();
 
   void WaitUntilResponseComplete();
 
+  // Returns a weak pointer to |this|.  Allows testing object lifetime.
+  base::WeakPtr<TestResourceHandler> GetWeakPtr();
+
  private:
   // TODO(mmenke):  Remove these, in favor of final_status_ and body_.
   net::URLRequestStatus* request_status_ptr_;
   std::string* body_ptr_;
 
   scoped_refptr<net::IOBuffer> buffer_;
   size_t buffer_size_;
 
   ResourceController* controller_;
 
@@ skipping 31 matching lines @@
       net::URLRequestStatus::FromError(net::ERR_UNEXPECTED);
   bool canceled_ = false;
 
   // Tracks recursive calls, which aren't allowed.
   int call_depth_ = 0;
 
   std::unique_ptr<base::RunLoop> deferred_run_loop_;
 
   base::RunLoop response_complete_run_loop_;
 
+  base::WeakPtrFactory<TestResourceHandler> weak_ptr_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(TestResourceHandler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_LOADER_TEST_RESOURCE_HANDLER_H_