Migrate plugins to support new 'unobscured' rect interface

components/plugins/renderer/webview_plugin.h

Index: components/plugins/renderer/webview_plugin.h
diff --git a/components/plugins/renderer/webview_plugin.h b/components/plugins/renderer/webview_plugin.h
index 3b7cd67c9202425f5b7fb94c521b54c0642bce37..b65e204d212459952a83162849e86e553f952d04 100644
--- a/components/plugins/renderer/webview_plugin.h
+++ b/components/plugins/renderer/webview_plugin.h
@@ -81,9 +81,10 @@ class WebViewPlugin : public blink::WebPlugin,
 
   // Coordinates are relative to the containing window.
   virtual void updateGeometry(
-      const blink::WebRect& frame_rect,
+      const blink::WebRect& window_rect,
       const blink::WebRect& clip_rect,
-      const blink::WebVector<blink::WebRect>& cut_out_rects,
+      const blink::WebRect& unobscured_rect,
+      const blink::WebVector<blink::WebRect>& cut_outs_rects,
       bool is_visible);
 
   virtual void updateFocus(bool foucsed, blink::WebFocusType focus_type);