Switch all contexts in a share group to be on the same screen as the window they present to.

content/browser/renderer_host/compositing_iosurface_mac.h

Index: content/browser/renderer_host/compositing_iosurface_mac.h
diff --git a/content/browser/renderer_host/compositing_iosurface_mac.h b/content/browser/renderer_host/compositing_iosurface_mac.h
index 3134de0b16ce542873723b30273b904b120a6f44..40310a0101080910c9af91868eb60e096b02fd47 100644
--- a/content/browser/renderer_host/compositing_iosurface_mac.h
+++ b/content/browser/renderer_host/compositing_iosurface_mac.h
@@ -50,6 +50,9 @@ class CompositingIOSurfaceMac {
   void SetIOSurface(uint64 io_surface_handle,
                     const gfx::Size& size);
 
+  // Get the CGL renderer currently associated with this context.

[Ken Russell (switch to Gerrit), 2013/03/01 22:00:58]

Please adjust renderer -> renderer ID for clarity.

[jbauman, 2013/03/02 03:52:23]

Ok, done everywhere.

+  int GetRenderer();
+
   // Blit the IOSurface at the upper-left corner of the |view|. If |view| window
   // size is larger than the IOSurface, the remaining right and bottom edges
   // will be white. |scaleFactor| is 1 in normal views, 2 in HiDPI views.