Use BrowserContext as key in API. Switch Autofill to use BC in place of Profile.

chrome/browser/autofill/autocomplete_history_manager.h

Index: chrome/browser/autofill/autocomplete_history_manager.h
diff --git a/chrome/browser/autofill/autocomplete_history_manager.h b/chrome/browser/autofill/autocomplete_history_manager.h
index afdfa8f9e3c608441d27690b83bbeefcd4a64872..07a5e163ba37e0ed4c09e8637808f96bc7505810 100644
--- a/chrome/browser/autofill/autocomplete_history_manager.h
+++ b/chrome/browser/autofill/autocomplete_history_manager.h
@@ -13,6 +13,10 @@
 #include "chrome/browser/api/webdata/web_data_service_base.h"
 #include "content/public/browser/web_contents_observer.h"
 
+namespace content {
+class BrowserContext;
+}
+
 namespace webkit {
 namespace forms {
 struct FormData;
@@ -20,7 +24,6 @@ struct FormData;
 }
 
 class AutofillExternalDelegate;
-class Profile;
 
 // Per-tab Autocomplete history manager. Handles receiving form data
 // from the renderer and the storing and retrieving of form data
@@ -66,7 +69,7 @@ class AutocompleteHistoryManager : public content::WebContentsObserver,
 
   // For tests.
   AutocompleteHistoryManager(content::WebContents* web_contents,
-                             Profile* profile,
+                             content::BrowserContext* context,
                              WebDataServiceBase* wds);
 
   void SendSuggestions(const std::vector<string16>* suggestions);
@@ -82,7 +85,7 @@ class AutocompleteHistoryManager : public content::WebContentsObserver,
     return AutofillWebData::ForService(web_data_service_.get());
   }
 
-  Profile* profile_;
+  content::BrowserContext* browser_context_;
   scoped_refptr<WebDataServiceBase> web_data_service_;
 
   BooleanPrefMember autofill_enabled_;