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

chrome/browser/ui/browser.cc

Index: chrome/browser/ui/browser.cc
diff --git a/chrome/browser/ui/browser.cc b/chrome/browser/ui/browser.cc
index 11dd64de24756a82d7bf2f03e18e506ebfbdea93..97c4de883fb7a1b230031eff69e7f4a82e1a5e07 100644
--- a/chrome/browser/ui/browser.cc
+++ b/chrome/browser/ui/browser.cc
@@ -64,6 +64,7 @@
 #include "chrome/browser/intents/register_intent_handler_infobar_delegate.h"
 #include "chrome/browser/intents/web_intents_util.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
+#include "chrome/browser/media/media_stream_devices_controller.h"
 #include "chrome/browser/net/url_fixer_upper.h"
 #include "chrome/browser/notifications/notification_ui_manager.h"
 #include "chrome/browser/platform_util.h"
@@ -3241,20 +3242,27 @@ void Browser::RequestMediaAccessPermission(
   TabContents* tab = TabContents::FromWebContents(web_contents);
   DCHECK(tab);
 
-  InfoBarTabHelper* infobar_helper = tab->infobar_tab_helper();
-  InfoBarDelegate* old_infobar = NULL;
-  for (size_t i = 0; i < infobar_helper->infobar_count() && !old_infobar; ++i) {
-    old_infobar =
-        infobar_helper->GetInfoBarDelegateAt(i)->AsMediaStreamInfoBarDelegate();
-  }
+  scoped_ptr<MediaStreamDevicesController>
+      controller(new MediaStreamDevicesController(tab->profile(),
+                                                  request,
+                                                  callback));
+  if (!controller->DismissInfoBarAndTakeActionOnSettings()) {
+    InfoBarTabHelper* infobar_helper = tab->infobar_tab_helper();
+    InfoBarDelegate* old_infobar = NULL;
+    for (size_t i = 0; i < infobar_helper->infobar_count(); ++i) {
+      old_infobar = infobar_helper->GetInfoBarDelegateAt(i)->
+          AsMediaStreamInfoBarDelegate();
+      if (old_infobar)
+        break;
+    }
 
-  InfoBarDelegate* infobar = new MediaStreamInfoBarDelegate(infobar_helper,
-                                                            request,
-                                                            callback);
-  if (old_infobar)
-    infobar_helper->ReplaceInfoBar(old_infobar, infobar);
-  else
-    infobar_helper->AddInfoBar(infobar);
+    InfoBarDelegate* infobar =
+        new MediaStreamInfoBarDelegate(infobar_helper, controller.release());
+    if (old_infobar)
+      infobar_helper->ReplaceInfoBar(old_infobar, infobar);
+    else
+      infobar_helper->AddInfoBar(infobar);
+  }
 }
 
 ///////////////////////////////////////////////////////////////////////////////