Refactored app cache clear on exit code to happen in the object owning the files.

chrome/browser/profiles/profile.cc

Index: chrome/browser/profiles/profile.cc
diff --git a/chrome/browser/profiles/profile.cc b/chrome/browser/profiles/profile.cc
index 1e2bba4e5ae035ee6efb15884f72929a64fb3c7a..1aab3ced2abc884a36888b5c4fb5dfeb8114c477 100644
--- a/chrome/browser/profiles/profile.cc
+++ b/chrome/browser/profiles/profile.cc
@@ -196,7 +196,8 @@ class OffTheRecordProfileImpl : public Profile,
           NewRunnableMethod(appcache_service_.get(),
                             &ChromeAppCacheService::InitializeOnIOThread,
                             GetPath(), IsOffTheRecord(),
-                            make_scoped_refptr(GetHostContentSettingsMap())));
+                            make_scoped_refptr(GetHostContentSettingsMap()),
+                            false));
     }
     return appcache_service_;
   }