mac: Implement app.setBadgeCount

atom/browser/browser.h

@@ -87,6 +87,10 @@ class Browser : public WindowListObserver {
   // Query the current state of default handler for a protocol.
   bool IsDefaultProtocolClient(const std::string& protocol);
 
+  // Set/Get the badge count.
+  void SetBadgeCount(int count);
+  int GetBadgeCount();
+
 #if defined(OS_MACOSX)
   // Hide the application.
   void Hide();
@@ -152,10 +156,8 @@ class Browser : public WindowListObserver {
 #endif  // defined(OS_WIN)
 
 #if defined(OS_LINUX)
-  // Set/Get unity dock's badge counter.
-  bool UnityLauncherAvailable();
-  void UnityLauncherSetBadgeCount(int count);
-  int UnityLauncherGetBadgeCount();
+  // Whether Unity launcher is running.
+  bool IsUnityRunning();
 #endif  // defined(OS_LINUX)
 
   // Tell the application to open a file.
@@ -223,9 +225,7 @@ class Browser : public WindowListObserver {
   std::string version_override_;
   std::string name_override_;
 
-#if defined(OS_LINUX)
   int current_badge_count_ = 0;
-#endif
 
 #if defined(OS_WIN)
   base::string16 app_user_model_id_;