Migrate plugins to support new 'unobscured' rect interface

content/renderer/browser_plugin/browser_plugin.cc

Index: content/renderer/browser_plugin/browser_plugin.cc
diff --git a/content/renderer/browser_plugin/browser_plugin.cc b/content/renderer/browser_plugin/browser_plugin.cc
index 38d4bff33ebfc23b5bfb916e833d42ab16750b66..0bba2c7e5f81b7c8e9db44f51e93db705e4ecb05 100644
--- a/content/renderer/browser_plugin/browser_plugin.cc
+++ b/content/renderer/browser_plugin/browser_plugin.cc
@@ -425,11 +425,11 @@ bool BrowserPlugin::ShouldForwardToBrowserPlugin(
   return false;
 }
 
-void BrowserPlugin::updateGeometry(
-    const WebRect& window_rect,
-    const WebRect& clip_rect,
-    const WebVector<WebRect>& cut_outs_rects,
-    bool is_visible) {
+void BrowserPlugin::updateGeometry(const WebRect& window_rect,
+                                   const WebRect& clip_rect,
+                                   const WebRect& unobscured_rect,
+                                   const WebVector<WebRect>& cut_outs_rects,
+                                   bool is_visible) {
   int old_width = view_rect_.width();
   int old_height = view_rect_.height();
   view_rect_ = window_rect;