Implement modal permission prompts for media permissions on Android.

chrome/browser/permissions/permission_dialog_delegate.cc

Index: chrome/browser/permissions/permission_dialog_delegate.cc
diff --git a/chrome/browser/permissions/permission_dialog_delegate.cc b/chrome/browser/permissions/permission_dialog_delegate.cc
index c570d755add5b900de2caa487ce4cdbcf065493e..091d7d2ae379ee5fe49852ef5dbc7ff73e20176f 100644
--- a/chrome/browser/permissions/permission_dialog_delegate.cc
+++ b/chrome/browser/permissions/permission_dialog_delegate.cc
@@ -14,7 +14,10 @@
 #include "chrome/browser/geolocation/geolocation_infobar_delegate_android.h"
 #include "chrome/browser/media/midi_permission_infobar_delegate_android.h"
 #include "chrome/browser/media/protected_media_identifier_infobar_delegate_android.h"
+#include "chrome/browser/media/webrtc/media_stream_devices_controller.h"
+#include "chrome/browser/media/webrtc/media_stream_infobar_delegate_android.h"
 #include "chrome/browser/notifications/notification_permission_infobar_delegate.h"
+#include "chrome/browser/profiles/profile.h"
 #include "chrome/common/chrome_features.h"
 #include "components/variations/variations_associated_data.h"
 #include "content/public/browser/android/content_view_core.h"
@@ -51,6 +54,20 @@ void PermissionDialogDelegate::Create(
 }
 
 // static
+void PermissionDialogDelegate::CreateMediaStreamDialog(
+    content::WebContents* web_contents,
+    std::unique_ptr<MediaStreamDevicesController> controller) {
+  // Called this way because the infobar delegate has a private destructor.
+  std::unique_ptr<PermissionInfoBarDelegate> infobar_delegate;
+  infobar_delegate.reset(new MediaStreamInfoBarDelegateAndroid(
+      Profile::FromBrowserContext(web_contents->GetBrowserContext()),
+      std::move(controller)));
+
+  // Dispatch the dialog to Java, which manages the lifetime of this object.
+  new PermissionDialogDelegate(web_contents, std::move(infobar_delegate));
+}
+
+// static
 bool PermissionDialogDelegate::ShouldShowDialog(bool has_user_gesture) {
   if (!base::FeatureList::IsEnabled(features::kModalPermissionPrompts))
     return false;