Indicate the user has to click ALLOW in Chrome.

bigbluebutton-client/src/org/bigbluebutton/main/views/ChromeAllow.mxml

@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!--
+
+BigBlueButton open source conferencing system - http://www.bigbluebutton.org/
+
+Copyright (c) 2012 BigBlueButton Inc. and by respective authors (see below).
+
+This program is free software; you can redistribute it and/or modify it under the
+terms of the GNU Lesser General Public License as published by the Free Software
+Foundation; either version 3.0 of the License, or (at your option) any later
+version.
+
+BigBlueButton is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
+
+-->
+
+<mx:TitleWindow xmlns:mx="http://www.adobe.com/2006/mxml" 
+    showCloseButton="false" creationComplete="init()"
+    verticalScrollPolicy="off"
+    horizontalScrollPolicy="off"
+    horizontalAlign="center" 
+    borderAlpha="0.0"
+    borderThicknessLeft="0" 
+    borderThicknessRight="0"
+    borderThicknessTop="0"
+    x="20"
+    y="-20">
+    
+	<mx:Script>
+		<![CDATA[
+			import mx.core.FlexGlobals;
+			import mx.managers.PopUpManager;
+			
+			import org.bigbluebutton.common.LogUtil;
+			import org.bigbluebutton.core.BBB;
+			import org.bigbluebutton.main.model.users.events.ConnectionFailedEvent;
+			import org.bigbluebutton.util.i18n.ResourceUtil;
+						
+			
+			private function init():void {
+				//addEventListener(Event.CLOSE, onUserLoggedOutWindowClose);
+			}
+
+      private function onUserLoggedOutWindowClose(e:Event):void {
+      	//PopUpManager.removePopUp(this);
+      }
+
+		
+		]]>
+	</mx:Script>
+  <mx:Image source="@Embed('assets/chrome_allow.png')"/>	
+</mx:TitleWindow> 

bigbluebutton-client/src/org/bigbluebutton/main/views/MicSettings.mxml

@@ -60,6 +60,8 @@ with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
 			private var micName:String;
 			private var playingAudio:Boolean = false;
 			private var images:Images = new Images();
+			private var chromeAllow:ChromeAllow;
+			private var userBrowser:String;
 			[Bindable] private var cancelIcon:Class = images.cancel;
       [Bindable] private var microphoneList:Array;      
       [Bindable]private var baseIndex:int = 1;
@@ -119,7 +121,8 @@ with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
 				microphoneList = Microphone.names;
 				LogUtil.debug("Available microphones: " + microphoneList);    
 				mic = Microphone.getMicrophone(comboMicList.selectedIndex);
-        testMicrophone();       
+        testMicrophone();
+        showChromeAllow();       
 				
 		/*		if (mic != null) {
 					if (mic.muted) {
@@ -173,6 +176,9 @@ with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
 				  if (mic.activityLevel > biggestMicLevel) {
 				    biggestMicLevel = mic.activityLevel;
 				  }
+				  if (chromeAllow && mic.activityLevel > 0){
+				    PopUpManager.removePopUp(chromeAllow);
+				  }
 				  //LogUtil.debug("Mic level: " + mic.activityLevel);
 					micLevel.setProgress(mic.activityLevel, 100);					
 				}
@@ -189,6 +195,14 @@ with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
 				}	                     
 			}
 			
+			private function showChromeAllow():void{			 
+			     userBrowser =  ExternalInterface.call("determineBrowser");
+			     if (userBrowser == "Chrome"){
+      			 chromeAllow = new ChromeAllow();   
+             PopUpManager.addPopUp(chromeAllow, this, false);
+           }
+			}
+			
 /*			
       private function showMicSettingsPanel():void {
           if (settingBtn.selected) {
@@ -295,6 +309,7 @@ with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
                        toolTip="{ResourceUtil.getInstance().getString('bbb.micSettings.changeMic.toolTip')}"/>		
         </mx:HBox>
 -->        
+       
         <mx:VBox width="100%" paddingTop="5">
           <mx:HRule width="100%"/>
           <mx:Label id="testMicLabel"