Add 2 Extension APIs for handwriting: experimental.input.sendHandritingStroke and cancelHandWriting

This CL depends on http://codereview.chromium.org/6902067/.

BUG=chromium-os:14421
TEST=ran emerge

Review URL: http://codereview.chromium.org/6905053

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@85593 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/extensions/extension_function_dispatcher.cc b/chrome/browser/extensions/extension_function_dispatcher.cc
index 8a27836..9a6b372 100644
--- a/chrome/browser/extensions/extension_function_dispatcher.cc
+++ b/chrome/browser/extensions/extension_function_dispatcher.cc
@@ -329,6 +329,12 @@
   RegisterFunction<SelectFileFunction>();
   RegisterFunction<SelectFilesFunction>();
   RegisterFunction<ViewFilesFunction>();
+
+#if defined(TOUCH_UI)
+  // Input
+  RegisterFunction<SendHandwritingStrokeFunction>();
+  RegisterFunction<CancelHandwritingStrokesFunction>();
+#endif
 #endif
 
   // Debugger