Reintroduce plumbing for user gesture into permission system.

chrome/browser/permissions/permission_manager.cc

Index: chrome/browser/permissions/permission_manager.cc
diff --git a/chrome/browser/permissions/permission_manager.cc b/chrome/browser/permissions/permission_manager.cc
index 2b211ea55d9a67e416f7700bf2d7bb2e5553f5f9..7e12ed8e77aaa71e2c7a4175d7177f6a86407e4e 100644
--- a/chrome/browser/permissions/permission_manager.cc
+++ b/chrome/browser/permissions/permission_manager.cc
@@ -260,11 +260,13 @@ int PermissionManager::RequestPermission(
     PermissionType permission,
     content::RenderFrameHost* render_frame_host,
     const GURL& requesting_origin,
+    bool user_gesture,
     const base::Callback<void(PermissionStatus)>& callback) {
   return RequestPermissions(
       std::vector<PermissionType>(1, permission),
       render_frame_host,
       requesting_origin,
+      user_gesture,
       base::Bind(&PermissionRequestResponseCallbackWrapper, callback));
 }
 
@@ -272,6 +274,7 @@ int PermissionManager::RequestPermissions(
     const std::vector<PermissionType>& permissions,
     content::RenderFrameHost* render_frame_host,
     const GURL& requesting_origin,
+    bool user_gesture,
     const base::Callback<void(
         const std::vector<PermissionStatus>&)>& callback) {
   if (permissions.empty()) {
@@ -304,7 +307,7 @@ int PermissionManager::RequestPermissions(
 
     PermissionContextBase* context = GetPermissionContext(permission);
     context->RequestPermission(
-        web_contents, request, requesting_origin,
+        web_contents, request, requesting_origin, user_gesture,
         base::Bind(&ContentSettingToPermissionStatusCallbackWrapper,
             base::Bind(&PermissionManager::OnPermissionsRequestResponseStatus,
                 weak_ptr_factory_.GetWeakPtr(), request_id, i)));