add "always allow" option to the mediastream infobar and allow user to allow/not allow acces to devi

chrome/browser/ui/cocoa/content_settings/content_setting_bubble_cocoa_unittest.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/content_settings/content_setting_bubble_cocoa.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/debug/debugger.h"
 #include "base/mac/scoped_nsautorelease_pool.h"
@@ skipping 43 matching lines @@
 ContentSettingBubbleControllerTest::~ContentSettingBubbleControllerTest() {
 }
 
 // Check that the bubble doesn't crash or leak for any settings type
 TEST_F(ContentSettingBubbleControllerTest, Init) {
   for (int i = 0; i < CONTENT_SETTINGS_NUM_TYPES; ++i) {
     if (i == CONTENT_SETTINGS_TYPE_NOTIFICATIONS ||
         i == CONTENT_SETTINGS_TYPE_INTENTS ||
         i == CONTENT_SETTINGS_TYPE_AUTO_SELECT_CERTIFICATE ||
         i == CONTENT_SETTINGS_TYPE_FULLSCREEN ||
-        i == CONTENT_SETTINGS_TYPE_MOUSELOCK) {
+        i == CONTENT_SETTINGS_TYPE_MOUSELOCK ||
+        i == CONTENT_SETTINGS_TYPE_MEDIASTREAM) {
       // These types have no bubble.
       continue;
     }
 
     ContentSettingsType settingsType = static_cast<ContentSettingsType>(i);
 
     scoped_nsobject<NSWindow> parent([[NSWindow alloc]
         initWithContentRect:NSMakeRect(0, 0, 800, 600)
                   styleMask:NSBorderlessWindowMask
                     backing:NSBackingStoreBuffered
@@ skipping 10 matching lines @@
                                                         settingsType)
         parentWindow:parent
           anchoredAt:NSMakePoint(50, 20)];
     EXPECT_TRUE(controller != nil);
     EXPECT_TRUE([[controller window] isVisible]);
     [parent.get() close];
   }
 }
 
 }  // namespace