[ios] Pass Browser to CreateVoiceSearchController

Bug: 790886
Change-Id: I90fdb3e503ca8792d54cf474ee59772ac9aeafe2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2142141Reviewed-by: Rohit Rao <rohitrao@chromium.org>
Commit-Queue: Chris Lu <thegreenfrog@chromium.org>
Cr-Commit-Position: refs/heads/master@{#758217}

ios/chrome/browser/ui/browser_view/browser_view_controller.mm

@@ -2664,7 +2664,7 @@ NSString* const kBrowserViewControllerSnackbarCategory =
         ios::GetChromeBrowserProvider()->GetVoiceSearchProvider();
     if (provider) {
       _voiceSearchController =
-          provider->CreateVoiceSearchController(self.browserState);
+          provider->CreateVoiceSearchController(self.browser);
       if (self.primaryToolbarCoordinator) {
         _voiceSearchController->SetDispatcher(
             static_cast<id<LoadQueryCommands>>(self.commandDispatcher));