Component updater eight piece

chrome/browser/component_updater/component_updater_interceptor.cc

 // Copyright (c) 2011 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/browser/component_updater/component_updater_interceptor.h"
 
 #include "base/file_util.h"
 #include "base/threading/thread_restrictions.h"
 #include "content/browser/browser_thread.h"
 #include "net/url_request/url_request_test_job.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-ComponentUpdateInterceptor::ComponentUpdateInterceptor() {
+ComponentUpdateInterceptor::ComponentUpdateInterceptor()
+  : hit_count_(0) {
   net::URLRequest::Deprecated::RegisterRequestInterceptor(this);
 }
 
 ComponentUpdateInterceptor::~ComponentUpdateInterceptor() {
   net::URLRequest::Deprecated::UnregisterRequestInterceptor(this);
 }
 
 net::URLRequestJob* ComponentUpdateInterceptor::MaybeIntercept(
     net::URLRequest* request) {
   EXPECT_TRUE(BrowserThread::CurrentlyOn(BrowserThread::IO));
   if (request->url().scheme() != "http" ||
       request->url().host() != "localhost") {
       return NULL;
   }
 
   // It's ok to do a blocking disk access on this thread; this class
   // is just used for tests.
   base::ThreadRestrictions::ScopedAllowIO allow_io;
 
   ResponseMap::iterator it = responses_.find(request->url());
   if (it == responses_.end()) {
     return NULL;
   }
   const Response& response = it->second;
+  ++hit_count_;
 
   std::string contents;
   EXPECT_TRUE(file_util::ReadFileToString(response.data_path, &contents));
 
   return new net::URLRequestTestJob(request,
                                     response.headers,
                                     contents,
                                     true);
 }
 
 void ComponentUpdateInterceptor::SetResponse(const std::string& url,
                                              const std::string& headers,
                                              const FilePath& path) {
   // It's ok to do a blocking disk access on this thread; this class
   // is just used for tests.
   base::ThreadRestrictions::ScopedAllowIO allow_io;
   GURL gurl(url);
   EXPECT_EQ("http", gurl.scheme());
   EXPECT_EQ("localhost", gurl.host());
   EXPECT_TRUE(file_util::PathExists(path));
   Response response = { path, headers };
   responses_[gurl] = response;
 }