dbus_manager_tizen: Remove useless glib include
xwalk.gyp: Explicitly add jsoncpp dependency

The lack of this dependency was generating error, required by
ScreenOrientationExtension.
runtime/browser: Fix header file changes

Offending CL:
https://codereview.chromium.org/174803002
Merge pull request #1794 from tiagovignatti/for-upstream

For upstream