[Web Intents] Add ability to dispatch intents from extension-caused code (i.e. context menus)

chrome/browser/intents/web_intents_util.h

Index: chrome/browser/intents/web_intents_util.h
diff --git a/chrome/browser/intents/web_intents_util.h b/chrome/browser/intents/web_intents_util.h
index 5ec4521c2f93b0c995a9d34a39ef3e883669722b..4d55206d9c541f8b2291145539730ca8a1258024 100644
--- a/chrome/browser/intents/web_intents_util.h
+++ b/chrome/browser/intents/web_intents_util.h
@@ -5,6 +5,7 @@
 #ifndef CHROME_BROWSER_INTENTS_WEB_INTENTS_UTIL_H_
 #define CHROME_BROWSER_INTENTS_WEB_INTENTS_UTIL_H_
 
+class Browser;
 class Profile;
 class PrefService;
 
@@ -20,6 +21,11 @@ bool IsWebIntentsEnabled(PrefService* prefs);
 // the Profile to check that WebIntents are enabled for.
 bool IsWebIntentsEnabledForProfile(Profile* profile);
 
+// In a context where we are generating a web intent based on internal events,
+// or from an extension background page, get the browser in which to show the
+// intent picker to the user.
+Browser* GetBrowserForBackgroundWebIntentDelivery(Profile* profile);
+
 }  // namespace web_intents
 
 #endif  // CHROME_BROWSER_INTENTS_WEB_INTENTS_UTIL_H_