[Search] Implementation of the invisible focus on Windows

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

Index: chrome/browser/ui/views/omnibox/omnibox_view_win.h
diff --git a/chrome/browser/ui/views/omnibox/omnibox_view_win.h b/chrome/browser/ui/views/omnibox/omnibox_view_win.h
index d3e7a6f9d8f6a31b946c58a7f808d68d9c34997a..1cf658239292b33e91428335eb36d8cd092206c2 100644
--- a/chrome/browser/ui/views/omnibox/omnibox_view_win.h
+++ b/chrome/browser/ui/views/omnibox/omnibox_view_win.h
@@ -97,6 +97,7 @@ class OmniboxViewWin
   virtual void RevertAll() 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;
@@ -394,6 +395,14 @@ class OmniboxViewWin
   bool ShouldEnableCopyURL() const;
   void CopyURL();
 
+  // 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();
+
+  // Height of the caret, used in the repainting of the caret in the omnibox.
+  int caret_height_;
+
   // Handle of RichEdit dll.
   static HMODULE loaded_library_module_;