Handful of related instant changes:

chrome/browser/profile.h

Index: chrome/browser/profile.h
diff --git a/chrome/browser/profile.h b/chrome/browser/profile.h
index 7d4e8f54f4360d37ad7851e40a6e72e15ca94bcc..f2accbf6b62573f90b0626e821625822c746bd69 100644
--- a/chrome/browser/profile.h
+++ b/chrome/browser/profile.h
@@ -68,6 +68,7 @@ class PersonalDataManager;
 class PinnedTabService;
 class PrefService;
 class ExtensionInfoMap;
+class PromoCounter;
 class ProfileSyncService;
 class ProfileSyncFactory;
 class SessionService;
@@ -468,6 +469,9 @@ class Profile {
   // Returns the IO-thread-accessible profile data for this profile.
   virtual ExtensionInfoMap* GetExtensionInfoMap() = 0;
 
+  // Returns the PromoCounter for Instant, or NULL if not applicable.
+  virtual PromoCounter* GetInstantPromoCounter() = 0;
+
 #if defined(OS_CHROMEOS)
   // Returns ChromeOS's ProxyConfigServiceImpl, creating if not yet created.
   virtual chromeos::ProxyConfigServiceImpl*