Windowed mode mouse lock addded to fullscreen controller.

chrome/browser/ui/cocoa/fullscreen_exit_bubble_controller.mm

Index: chrome/browser/ui/cocoa/fullscreen_exit_bubble_controller.mm
diff --git a/chrome/browser/ui/cocoa/fullscreen_exit_bubble_controller.mm b/chrome/browser/ui/cocoa/fullscreen_exit_bubble_controller.mm
index dbd18153cf0dca9294be013b4f8d846766778d47..d0cf0ea03ef528ee5f53d92b86b661bb9fc1b6c2 100644
--- a/chrome/browser/ui/cocoa/fullscreen_exit_bubble_controller.mm
+++ b/chrome/browser/ui/cocoa/fullscreen_exit_bubble_controller.mm
@@ -120,10 +120,9 @@ const float kHideDuration = 0.7;
     [self showButtons:NO];
     [self hideSoon];
   }
-  NSRect windowFrame = [owner_ window].frame;
   [tweaker_ tweakUI:info_bubble];
-  [self positionInWindowAtTop:NSHeight(windowFrame) width:NSWidth(windowFrame)];
   [[owner_ window] addChildWindow:info_bubble ordered:NSWindowAbove];
+  [owner_ layoutSubviews];
 
   [info_bubble orderFront:self];
 }
@@ -136,9 +135,14 @@ const float kHideDuration = 0.7;
 
 - (void)positionInWindowAtTop:(CGFloat)maxY width:(CGFloat)maxWidth {
   NSRect windowFrame = [self window].frame;
+  NSRect ownerWindowFrame = [owner_ window].frame;
   NSPoint origin;
   origin.x = (int)(maxWidth/2 - NSWidth(windowFrame)/2);
   origin.y = maxY - NSHeight(windowFrame);
+
+  origin.x = ownerWindowFrame.origin.x +
+      (int)(NSWidth(ownerWindowFrame)/2 - NSWidth(windowFrame)/2);
+  origin.y = ownerWindowFrame.origin.y + maxY - NSHeight(windowFrame);
   [[self window] setFrameOrigin:origin];
 }
 
@@ -169,8 +173,7 @@ const float kHideDuration = 0.7;
 
   // Relayout. A bit jumpy, but functional.
   [tweaker_ tweakUI:[self window]];
-  NSRect windowFrame = [owner_ window].frame;
-  [self positionInWindowAtTop:NSHeight(windowFrame) width:NSWidth(windowFrame)];
+  [owner_ layoutSubviews];
 }
 
 // Called when someone clicks on the embedded link.