Support chromeos::RemapModifierKeys API.

chrome/browser/chromeos/cros/keyboard_library.h

Index: chrome/browser/chromeos/cros/keyboard_library.h
diff --git a/chrome/browser/chromeos/cros/keyboard_library.h b/chrome/browser/chromeos/cros/keyboard_library.h
index 17e1b42d503f03ba76fcdba6c76e6b416868fd96..55d012a0337f43614a33e19d2d85e62969ed6a18 100644
--- a/chrome/browser/chromeos/cros/keyboard_library.h
+++ b/chrome/browser/chromeos/cros/keyboard_library.h
@@ -26,6 +26,9 @@ class KeyboardLibrary {
   virtual bool SetCurrentKeyboardLayoutByName(
       const std::string& layout_name) = 0;
 
+  // Remaps modifier keys.  Returns true on success.
+  virtual bool RemapModifierKeys(const ModifierMap& modifier_map) = 0;
+
   // Gets whehter we have separate keyboard layout per window, or not. The
   // result is stored in |is_per_window|.  Returns true on success.
   virtual bool GetKeyboardLayoutPerWindow(bool* is_per_window) const = 0;
@@ -44,6 +47,7 @@ class KeyboardLibraryImpl : public KeyboardLibrary {
   // KeyboardLibrary overrides.
   virtual std::string GetCurrentKeyboardLayoutName() const;
   virtual bool SetCurrentKeyboardLayoutByName(const std::string& layout_name);
+  virtual bool RemapModifierKeys(const ModifierMap& modifier_map);
   virtual bool GetKeyboardLayoutPerWindow(bool* is_per_window) const;
   virtual bool SetKeyboardLayoutPerWindow(bool is_per_window);