Simplify the if structure

remark: Customize a function to avoid "Line exceeds maximum allowed length"

omega-target-chromium-extension/src/module/tabs.coffee

@@ -25,18 +25,15 @@ class ChromeTabs
       tabs.forEach (tab) =>
         @_dirtyTabs[tab.id] = tab.id
         @onUpdated tab.id, {}, tab if tab.active
-    if chrome.action.setPopup?
-      chrome.action.setTitle({title: action.title})
-    else
-      chrome.action.setTitle({title: action.shortTitle})
+    title = if @_canSetPopup() then action.title else action.shortTitle
+    chrome.action.setTitle({title: title})
     @setIcon(action.icon)
 
   onUpdated: (tabId, changeInfo, tab) ->
     if @_dirtyTabs.hasOwnProperty(tab.id)
       delete @_dirtyTabs[tab.id]
-    else if not changeInfo.url?
-      if changeInfo.status? and changeInfo.status != 'loading'
-        return
+    else if not changeInfo.url? and changeInfo.status == "complete"
+      return
     @processTab(tab, changeInfo)
 
   processTab: (tab, changeInfo) ->
@@ -58,10 +55,8 @@ class ChromeTabs
         @clearIcon tab.id
         return
       @setIcon(action.icon, tab.id)
-      if chrome.action.setPopup?
-        chrome.action.setTitle({title: action.title, tabId: tab.id})
-      else
-        chrome.action.setTitle({title: action.shortTitle, tabId: tab.id})
+      title = if @_canSetPopup() then action.title else action.shortTitle
+      return chrome.action.setTitle({title: title, tabId: tab.id})
     ).catch((e) ->
       console.log('error:', e)
     )
@@ -77,17 +72,15 @@ class ChromeTabs
 
   setIcon: (icon, tabId) ->
     return unless icon?
-    if tabId?
-      params = {
-        imageData: icon
-        tabId: tabId
-      }
-    else
-      params = {
-        imageData: icon
-      }
+    params = {
+      imageData: icon
+    }
+    params.tabId = tabId if tabId?
     @_chromeSetIcon(params)
 
+  _canSetPopup: ->
+    chrome.action.setPopup?
+
   _chromeSetIcon: (params) ->
     try
       chrome.action.setIcon?(params, @ignoreError)