Some improvement of validation message bubble UI.

chrome/renderer/validation_message_agent.cc

Index: chrome/renderer/validation_message_agent.cc
diff --git a/chrome/renderer/validation_message_agent.cc b/chrome/renderer/validation_message_agent.cc
index ed7326a762ec8901b3f3ea9c1a00513d704152a2..bbfe655bb832f0c16accc7cc8a74bfa27bd36cbb 100644
--- a/chrome/renderer/validation_message_agent.cc
+++ b/chrome/renderer/validation_message_agent.cc
@@ -18,7 +18,7 @@ ValidationMessageAgent::ValidationMessageAgent(content::RenderView* render_view)
 ValidationMessageAgent::~ValidationMessageAgent() {}
 
 void ValidationMessageAgent::showValidationMessage(
-    const WebKit::WebRect& anchor_in_screen,
+    const WebKit::WebRect& anchor_in_root_view,
     const WebKit::WebString& main_text,
     const WebKit::WebString& sub_text,
     WebKit::WebTextDirection hint) {
@@ -40,10 +40,16 @@ void ValidationMessageAgent::showValidationMessage(
   }
 
   Send(new ValidationMessageMsg_ShowValidationMessage(
-      routing_id(), anchor_in_screen, wrapped_main_text, wrapped_sub_text));
+      routing_id(), anchor_in_root_view, wrapped_main_text, wrapped_sub_text));
 }
 
 void ValidationMessageAgent::hideValidationMessage() {
   Send(new ValidationMessageMsg_HideValidationMessage());
 }
 
+void ValidationMessageAgent::moveValidationMessage(
+      const WebKit::WebRect& anchor_in_root_view) {
+  Send(new ValidationMessageMsg_MoveValidationMessage(
+      routing_id(), anchor_in_root_view));
+}
+