[Search] Implementation of the invisible focus on Windows

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

Index: chrome/browser/ui/views/omnibox/omnibox_view_views.h
diff --git a/chrome/browser/ui/views/omnibox/omnibox_view_views.h b/chrome/browser/ui/views/omnibox/omnibox_view_views.h
index 0140485938b2d334e662a7569b7db7e324a73c10..ddac7ea3e75e3638ad9f1cc94d3d07ad88e205ee 100644
--- a/chrome/browser/ui/views/omnibox/omnibox_view_views.h
+++ b/chrome/browser/ui/views/omnibox/omnibox_view_views.h
@@ -111,6 +111,7 @@ class OmniboxViewViews
   virtual void SelectAll(bool reversed) OVERRIDE;
   virtual void UpdatePopup() OVERRIDE;
   virtual void SetFocus() OVERRIDE;
+  virtual void SetInvisibleFocus() OVERRIDE;
   virtual void OnTemporaryTextMaybeChanged(
       const string16& display_text,
       bool save_original_selection) OVERRIDE;
@@ -183,6 +184,11 @@ class OmniboxViewViews
   // that after invoking this OnAfterPossibleChange() is invoked.
   void OnPaste();
 
+  // Depending on the visibility of the focus stored in the OmniboxEditModel,
+  // Sets the color of the caret to black or to the omnibox's background color,
+  // effectively hiding it.
+  void ApplyFocusVisibility();
+
   views::Textfield* textfield_;
 
   // When true, the location bar view is read only and also is has a slightly
@@ -217,6 +223,10 @@ class OmniboxViewViews
   // allow the user to select just a portion of the text.
   bool select_all_on_mouse_release_;
 
+  // Used to keep track of the visible caret color so that it can be restored
+  // after the caret has been hidden.
+  SkColor visible_caret_color_;
+
   DISALLOW_COPY_AND_ASSIGN(OmniboxViewViews);
 };