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content/browser/web_contents/web_contents_impl.cc

Index: content/browser/web_contents/web_contents_impl.cc
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index 61d8bf355896c030edd1856e8799235f77226820..488a8ea9f4ca129f80c6c25e35cff1fd90b1dead 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -2186,6 +2186,11 @@ bool WebContentsImpl::IsVirtualKeyboardRequested() {
   return virtual_keyboard_requested_;
 }
 
+bool WebContentsImpl::IsOverridingUserAgent() {
+  return GetController().GetVisibleEntry() &&
+         GetController().GetVisibleEntry()->GetIsOverridingUserAgent();
+}
+
 AccessibilityMode WebContentsImpl::GetAccessibilityMode() const {
   return accessibility_mode_;
 }
@@ -4890,6 +4895,22 @@ void WebContentsImpl::UpdateWebContentsVisibility(bool visible) {
     WasHidden();
 }
 
+void WebContentsImpl::UpdateOverridingUserAgent() {
+  std::set<RenderViewHost*> render_view_host_set;
+  for (FrameTreeNode* node : frame_tree_.Nodes()) {
+    RenderWidgetHost* render_widget_host =
+        node->current_frame_host()->GetRenderWidgetHost();
+    if (!render_widget_host)
+      continue;
+    RenderViewHost* render_view_host = RenderViewHost::From(render_widget_host);
+    if (!render_view_host)
+      continue;
+    render_view_host_set.insert(render_view_host);
+  }
+  for (RenderViewHost* render_view_host : render_view_host_set)
+    render_view_host->OnWebkitPreferencesChanged();
+}
+
 void WebContentsImpl::SetJavaScriptDialogManagerForTesting(
     JavaScriptDialogManager* dialog_manager) {
   dialog_manager_ = dialog_manager;