Make SdchManager per-profile.

chrome/browser/net/sdch_dictionary_fetcher.h

Index: chrome/browser/net/sdch_dictionary_fetcher.h
diff --git a/chrome/browser/net/sdch_dictionary_fetcher.h b/chrome/browser/net/sdch_dictionary_fetcher.h
index 96617438fb90477afbfca891aebd4e64e1d7f51b..7eea42aba4fe26dfd0c000f75c9fd367dd564720 100644
--- a/chrome/browser/net/sdch_dictionary_fetcher.h
+++ b/chrome/browser/net/sdch_dictionary_fetcher.h
@@ -29,13 +29,13 @@ class SdchDictionaryFetcher
       public net::SdchFetcher,
       public base::NonThreadSafe {
  public:
-  explicit SdchDictionaryFetcher(net::URLRequestContextGetter* context);
+  // Consumer must guarantee that the SdchManager pointer outlives
+  // this object.  The current implementation guarantees this by
+  // the SdchManager owning this object.
+  SdchDictionaryFetcher(net::SdchManager* manager,
+                        net::URLRequestContextGetter* context);
   virtual ~SdchDictionaryFetcher();
 
-  // Stop fetching dictionaries, and abandon any current URLFetcheer operations
-  // so that the IO thread can be stopped.
-  static void Shutdown();
-
   // Implementation of SdchFetcher class.
   // This method gets the requested dictionary, and then calls back into the
   // SdchManager class with the dictionary's text.
@@ -59,6 +59,8 @@ class SdchDictionaryFetcher
   // completes (either successfully or with failure).
   virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE;
 
+  net::SdchManager* const manager_;
+
   // A queue of URLs that are being used to download dictionaries.
   std::queue<GURL> fetch_queue_;
   // The currently outstanding URL fetch of a dicitonary.