Improve testing for SDCH.

net/base/sdch_manager.cc

Index: net/base/sdch_manager.cc
diff --git a/net/base/sdch_manager.cc b/net/base/sdch_manager.cc
index 8892c13a7c46013467b1b249515a8157bab7ed9f..179ba9ba0c43c5c1cc8b6e0e23ce311e272f7edf 100644
--- a/net/base/sdch_manager.cc
+++ b/net/base/sdch_manager.cc
@@ -218,7 +218,8 @@ bool SdchManager::Dictionary::DomainMatch(const GURL& gurl,
 }
 
 //------------------------------------------------------------------------------
-SdchManager::SdchManager() {
+SdchManager::SdchManager()
+    : fetches_requested_(0) {
   DCHECK(CalledOnValidThread());
 }
 
@@ -249,9 +250,9 @@ void SdchManager::SdchErrorRecovery(ProblemCodes problem) {
   UMA_HISTOGRAM_ENUMERATION("Sdch3.ProblemCodes_4", problem, MAX_PROBLEM_CODE);
 }
 
-void SdchManager::set_sdch_fetcher(SdchFetcher* fetcher) {
+void SdchManager::set_sdch_fetcher(scoped_ptr<SdchFetcher> fetcher) {
   DCHECK(CalledOnValidThread());
-  fetcher_.reset(fetcher);
+  fetcher_ = fetcher.Pass();
 }
 
 // static
@@ -339,8 +340,10 @@ bool SdchManager::IsInSupportedDomain(const GURL& url) {
 void SdchManager::FetchDictionary(const GURL& request_url,
                                   const GURL& dictionary_url) {
   DCHECK(CalledOnValidThread());
-  if (CanFetchDictionary(request_url, dictionary_url) && fetcher_.get())
+  if (CanFetchDictionary(request_url, dictionary_url) && fetcher_.get()) {
+    ++fetches_requested_;
     fetcher_->Schedule(dictionary_url);
+  }
 }
 
 bool SdchManager::CanFetchDictionary(const GURL& referring_url,
@@ -557,6 +560,10 @@ void SdchManager::SetAllowLatencyExperiment(const GURL& url, bool enable) {
   allow_latency_experiment_.erase(it);
 }
 
+int SdchManager::GetFetchesRequestedForTesting() const {
+  return fetches_requested_;
+}
+
 // static
 void SdchManager::UrlSafeBase64Encode(const std::string& input,
                                       std::string* output) {