3 files changed, 10 insertions, 4 deletions
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index 5412929..3a30087 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -592,7 +592,7 @@ void RenderFrameImpl::OnNavigate(const FrameMsg_Navigate_Params& params) {
     // We refresh timezone when a view is swapped in since timezone
     // can get out of sync when the system timezone is updated while
     // the view is swapped out.
-    RenderViewImpl::NotifyTimezoneChange();
+    RenderViewImpl::NotifyTimezoneChange(render_view_->webview()->mainFrame());
 
     render_view_->SetSwappedOut(false);
     is_swapped_out_ = false;
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index d12b0ee..296fce9 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -379,8 +379,13 @@ Referrer RenderViewImpl::GetReferrerFromRequest(
 }
 
 // static
-void RenderViewImpl::NotifyTimezoneChange() {
+void RenderViewImpl::NotifyTimezoneChange(blink::WebFrame* frame) {
+  v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
+  v8::Context::Scope context_scope(frame->mainWorldScriptContext());
   v8::Date::DateTimeConfigurationChangeNotification(v8::Isolate::GetCurrent());
+  blink::WebFrame* child = frame->firstChild();
+  for (; child; child = child->nextSibling())
+    NotifyTimezoneChange(child);
 }
 
 // static
@@ -3773,7 +3778,8 @@ void RenderViewImpl::OnUpdateWebPreferences(const WebPreferences& prefs) {
 }
 
 void RenderViewImpl::OnUpdateTimezone() {
-  NotifyTimezoneChange();
+  if (webview())
+    NotifyTimezoneChange(webview()->mainFrame());
 }
 
 void RenderViewImpl::OnEnumerateDirectoryResponse(
diff --git a/content/renderer/render_view_impl.h b/content/renderer/render_view_impl.h
index 540c91f..edae802 100644
--- a/content/renderer/render_view_impl.h
+++ b/content/renderer/render_view_impl.h
@@ -798,7 +798,7 @@ class CONTENT_EXPORT RenderViewImpl
       blink::WebFrame* frame,
       const blink::WebURLRequest& request);
 
-  static void NotifyTimezoneChange();
+  static void NotifyTimezoneChange(blink::WebFrame* frame);
 
   static WindowOpenDisposition NavigationPolicyToDisposition(
       blink::WebNavigationPolicy policy);