Revert of Clear SDCH information on "Clear browsing data" path.

net/base/sdch_manager.h

Index: net/base/sdch_manager.h
diff --git a/net/base/sdch_manager.h b/net/base/sdch_manager.h
index 0b3b319b80ed533b03dd20ba58b3fa1366f517be..c760313284e2ee396323d5de71262daf97aef330 100644
--- a/net/base/sdch_manager.h
+++ b/net/base/sdch_manager.h
@@ -49,11 +49,6 @@
   // from a server.  The callee is responsible for getting that dictionary_text,
   // and then calling back to AddSdchDictionary() to the SdchManager instance.
   virtual void Schedule(const GURL& dictionary_url) = 0;
-
-  // The Cancel() method is called to cancel all pending dictionary fetches.
-  // This is used for implementation of ClearData() below.
-  virtual void Cancel() = 0;
-
  private:
   DISALLOW_COPY_AND_ASSIGN(SdchFetcher);
 };
@@ -239,9 +234,6 @@
   SdchManager();
   ~SdchManager();
 
-  // Clear data (for browser data removal).
-  void ClearData();
-
   // Record stats on various errors.
   static void SdchErrorRecovery(ProblemCodes problem);
 
@@ -366,7 +358,7 @@
 
   // Support exponential backoff in number of domain accesses before
   // blacklisting expires.
-  DomainCounter exponential_blacklist_count_;
+  DomainCounter exponential_blacklist_count;
 
   // List of hostnames for which a latency experiment is allowed (because a
   // round trip test has recently passed).