Merge "Implement Vibration" into devel/wrt2

diff --cc src/runtime/web_application.cc
index 0c844f1,e0df383..99b5cce
--- 1/src/runtime/web_application.cc
--- 2/src/runtime/web_application.cc
+++ b/src/runtime/web_application.cc
@@@ -12,12 -10,9 +12,13 @@@
  #include "runtime/native_window.h"
  #include "runtime/command_line.h"
  #include "runtime/web_view.h"
+ #include "runtime/vibration_manager.h"
  
  namespace {
 +
 +  // TODO(sngn.lee) : It should be declare in common header
 +  const char* kKeyNameBack = "back";
 +
    const char* kAppControlEventScript = \
          "var __event = document.createEvent(\"CustomEvent\");\n"
          "__event.initCustomEvent(\"appcontrol\", true, true);\n"