Support custom window features, such as 'moo=foo'.

content/public/browser/web_contents_delegate.h

Index: content/public/browser/web_contents_delegate.h
===================================================================
--- content/public/browser/web_contents_delegate.h	(revision 198276)
+++ content/public/browser/web_contents_delegate.h	(working copy)
@@ -276,21 +276,26 @@
 
   // Allows delegate to control whether a WebContents will be created. Returns
   // true to allow the creation. Default is to allow it. In cases where the
-  // delegate handles the creation/navigation itself, it will use |target_url|.
+  // delegate handles the creation/navigation itself, it will use the values
+  // within |target_url| and |params| to get information on the target site,
+  // size and position of the window, etc.
   virtual bool ShouldCreateWebContents(
       WebContents* web_contents,
       int route_id,
       WindowContainerType window_container_type,
       const string16& frame_name,
-      const GURL& target_url);
+      const GURL& target_url,
+      const WebKit::WindowFeatures& web_window_features);
 
   // Notifies the delegate about the creation of a new WebContents. This
   // typically happens when popups are created.
-  virtual void WebContentsCreated(WebContents* source_contents,
-                                  int64 source_frame_id,
-                                  const string16& frame_name,
-                                  const GURL& target_url,
-                                  WebContents* new_contents) {}
+  virtual void WebContentsCreated(
+                            WebContents* source_contents,
+                            int64 source_frame_id,
+                            const string16& frame_name,
+                            const GURL& target_url,
+                            const WebKit::WindowFeatures& web_window_features,
+                            WebContents* new_contents) {}
 
   // Notifies the delegate that the content restrictions for this tab has
   // changed.