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

chrome/browser/ui/cocoa/browser_window_controller.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_CONTROLLER_H_
 #define CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_CONTROLLER_H_
 
 // A class acting as the Objective-C controller for the Browser
 // object. Handles interactions between Cocoa and the cross-platform
 // code. Each window has a single toolbar and, by virtue of being a
 // TabWindowController, a tab strip along the top.
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/mac/scoped_nsobject.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/translate/chrome_translate_client.h"
+#include "chrome/browser/ui/tabs/tab_utils.h"
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_controller.h"
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_bubble_controller.h"
 #import "chrome/browser/ui/cocoa/exclusive_access_bubble_window_controller.h"
 #import "chrome/browser/ui/cocoa/tabs/tab_strip_controller.h"
 #import "chrome/browser/ui/cocoa/tabs/tab_window_controller.h"
 #import "chrome/browser/ui/cocoa/themed_window.h"
 #import "chrome/browser/ui/cocoa/url_drop_target.h"
 #import "chrome/browser/ui/cocoa/view_resizer.h"
 #include "components/translate/core/common/translate_errors.h"
 #include "ui/base/accelerators/accelerator_manager.h"
@@ skipping 335 matching lines @@
 
 // Called when the Add Search Engine dialog is closed.
 - (void)sheetDidEnd:(NSWindow*)sheet
          returnCode:(NSInteger)code
             context:(void*)context;
 
 // Executes the command registered by the extension that has the given id.
 - (void)executeExtensionCommand:(const std::string&)extension_id
                         command:(const extensions::Command&)command;
 
+// To set whether the window has a tab playing audio or muted audio playing.
+- (void)setMediaState:(TabMediaState)mediaState;
+
+// Returns current media state, determined by the media state of tabs, set by
+// UpdateMediaState.
+- (TabMediaState)getMediaState;

[Robert Sesek, 2015/10/28 18:45:57]

naming: Getters in Cocoa don't use the word "get", so just "mediaState".

+
 @end  // @interface BrowserWindowController
 
 
 // Methods having to do with the window type (normal/popup/app, and whether the
 // window has various features; fullscreen and presentation mode methods are
 // separate).
 @interface BrowserWindowController(WindowType)
 
 // Determines whether this controller's window supports a given feature (i.e.,
 // whether a given feature is or can be shown in the window).
@@ skipping 223 matching lines @@
 - (ExclusiveAccessBubbleWindowController*)exclusiveAccessBubbleWindowController;
 
 // Gets the rect, in window base coordinates, that the omnibox popup should be
 // positioned relative to.
 - (NSRect)omniboxPopupAnchorRect;
 
 @end  // @interface BrowserWindowController (TestingAPI)
 
 
 #endif  // CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_CONTROLLER_H_