Add a public content/ interface for intents. Use it.

content/browser/tab_contents/tab_contents_delegate.h

Index: content/browser/tab_contents/tab_contents_delegate.h
diff --git a/content/browser/tab_contents/tab_contents_delegate.h b/content/browser/tab_contents/tab_contents_delegate.h
index 10abb9709c3ca3a5918ba3cabd75fddb819a642f..b1e0355223baf1978552b6763040c43878a54409 100644
--- a/content/browser/tab_contents/tab_contents_delegate.h
+++ b/content/browser/tab_contents/tab_contents_delegate.h
@@ -32,6 +32,7 @@ class ListValue;
 namespace content {
 class BrowserContext;
 struct FileChooserParams;
+class IntentsHost;
 class JavaScriptDialogCreator;
 }
 
@@ -333,11 +334,9 @@ class CONTENT_EXPORT TabContentsDelegate {
                                      const string16& title,
                                      const string16& disposition);
 
-  // WebIntent notification handler.
+  // Web Intents notification handler. Takes ownership of the |intents_host|.
   virtual void WebIntentDispatch(TabContents* tab,
-                                 int routing_id,
-                                 const webkit_glue::WebIntentData& intent,
-                                 int intent_id);
+                                 content::IntentsHost* intents_host);
 
   // Result of string search in the page. This includes the number of matches
   // found and the selection rect (in screen coordinates) for the string found.