Enable Mobile Safe Browsing for Android.

BUG=158341


Review URL: https://chromiumcodereview.appspot.com/11308274

git-svn-id: http://src.chromium.org/svn/trunk/src/build@170649 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

common.gypi

@@ -1088,7 +1088,7 @@
 
         'proprietary_codecs%': '<(proprietary_codecs)',
         'enable_task_manager%': 0,
-        'safe_browsing%': 0,
+        'safe_browsing%': 2,
         'configuration_policy%': 0,
         'input_speech%': 0,
         'enable_web_intents%': 0,