Indicate in the Window menu which Chrome window has an active sound playing

chrome/browser/ui/cocoa/tabs/tab_strip_controller.mm

Index: chrome/browser/ui/cocoa/tabs/tab_strip_controller.mm
diff --git a/chrome/browser/ui/cocoa/tabs/tab_strip_controller.mm b/chrome/browser/ui/cocoa/tabs/tab_strip_controller.mm
index 9fe0804d70d90ee72dc004027bf3f31a1ff86b0e..a5c8135a59f805db399d51e7ebe120cf9db1ad12 100644
--- a/chrome/browser/ui/cocoa/tabs/tab_strip_controller.mm
+++ b/chrome/browser/ui/cocoa/tabs/tab_strip_controller.mm
@@ -251,6 +251,8 @@ NSImage* Overlay(NSImage* ground, NSImage* overlay, CGFloat alpha) {
 - (void)setNewTabButtonHoverState:(BOOL)showHover;
 - (void)themeDidChangeNotification:(NSNotification*)notification;
 - (void)setNewTabImages;
+- (void)updateWindowMediaState:(TabMediaState)media_state
+                               on:(content::WebContents*)changed;

[Robert Sesek, 2015/10/20 13:39:48]

nit: align colons

 @end
 
 // A simple view class that contains the traffic light buttons. This class
@@ -1626,7 +1628,10 @@ NSImage* Overlay(NSImage* ground, NSImage* overlay, CGFloat alpha) {
     }
   }
 
-  [tabController setMediaState:chrome::GetTabMediaStateForContents(contents)];
+  TabMediaState media_state = chrome::GetTabMediaStateForContents(contents);

[Robert Sesek, 2015/10/20 13:39:48]

naming: mediaState

+
+  [self updateWindowMediaState:media_state on:contents];
+  [tabController setMediaState:media_state];
 
   [tabController updateVisibility];
 }
@@ -2334,4 +2339,12 @@ NSImage* Overlay(NSImage* ground, NSImage* overlay, CGFloat alpha) {
   }
 }
 
+- (void)updateWindowMediaState:(TabMediaState)media_state
+                               on:(content::WebContents*)selected {
+  NSWindow* window = [tabStripView_ window];
+  BrowserWindowController* windowController =
+        [BrowserWindowController browserWindowControllerForWindow:window];
+  [windowController setMediaState:media_state on:selected];
+}
+
 @end