Add two functions for handwriting: SendHandwritingStrokes and CancelHandwriting.

chrome/browser/chromeos/cros/input_method_library.cc

Index: chrome/browser/chromeos/cros/input_method_library.cc
diff --git a/chrome/browser/chromeos/cros/input_method_library.cc b/chrome/browser/chromeos/cros/input_method_library.cc
index d8519d21d76b4587b8327d8e583956d3d8ce0cd6..89072efbfcd72f8ba474d57c5a61b48ecf07000e 100644
--- a/chrome/browser/chromeos/cros/input_method_library.cc
+++ b/chrome/browser/chromeos/cros/input_method_library.cc
@@ -262,6 +262,18 @@ class InputMethodLibraryImpl : public InputMethodLibrary,
     return chromeos::GetKeyboardOverlayId(input_method_id);
   }
 
+  virtual void SendHandwritingStroke(const HandwritingStroke& stroke) {
+    if (!initialized_successfully_)
+      return;
+    chromeos::SendHandwritingStroke(input_method_status_connection_, stroke);
+  }
+
+  virtual void CancelHandwriting(int n_strokes) {
+    if (!initialized_successfully_)
+      return;
+    chromeos::CancelHandwriting(input_method_status_connection_, n_strokes);
+  }
+
  private:
   // Returns true if the given input method config value is a single
   // element string list that contains an input method ID of a keyboard
@@ -895,6 +907,9 @@ class InputMethodLibraryStubImpl : public InputMethodLibrary {
         iter->second : "";
   }
 
+  virtual void SendHandwritingStroke(const HandwritingStroke& stroke) {}
+  virtual void CancelHandwriting(int n_strokes) {}
+
  private:
   typedef std::map<std::string, std::string> KeyboardOverlayMap;