Implement the Instant extended API startMargin, endMargin, and rtl properties and the onmarginchang…

chrome/browser/ui/views/omnibox/omnibox_view_views.cc

Index: chrome/browser/ui/views/omnibox/omnibox_view_views.cc
diff --git a/chrome/browser/ui/views/omnibox/omnibox_view_views.cc b/chrome/browser/ui/views/omnibox/omnibox_view_views.cc
index 626ff0241deceafd8b9d9b3d5d4cae370fea9036..7a7ff49ea919d2168078e1de18e5de649414db99 100644
--- a/chrome/browser/ui/views/omnibox/omnibox_view_views.cc
+++ b/chrome/browser/ui/views/omnibox/omnibox_view_views.cc
@@ -429,6 +429,10 @@ std::string OmniboxViewViews::GetClassName() const {
 void OmniboxViewViews::OnBoundsChanged(const gfx::Rect& previous_bounds) {
   if (popup_view_->IsOpen())
     popup_view_->UpdatePopupAppearance();
+
+  // Pass the location bar's bounds to the edit model because the OmniboxView
+  // does not fill the entire box when gray text is showing.
+  model()->OnOmniboxBoundsChanged(location_bar_view_->GetBoundsInScreen());
 }
 
 ////////////////////////////////////////////////////////////////////////////////