Enable chromoting in the build by default

build/common.gypi

Index: build/common.gypi
diff --git a/build/common.gypi b/build/common.gypi
index 70f42dde599f5705fbdcfe7fd7453be48c467ab4..3c3f71bfb4de3e90a2633858021d61f84566803d 100644
--- a/build/common.gypi
+++ b/build/common.gypi
@@ -110,8 +110,8 @@
       # On Linux, we build with sse2 for Chromium builds.
       'disable_sse2%': 0,
 
-      # Chromoting compilation is disabled by default. Set to 1 to enable.
-      'chromoting%': 0,
+      # Chromoting compilation is enabled by default. Set to 0 to disable.
+      'chromoting%': 1,
     },
 
     # Define branding and buildtype on the basis of their settings within the
@@ -405,6 +405,9 @@
       ['chromeos==1', {
         'defines': ['OS_CHROMEOS=1'],
       }],
+      ['chromoting==1', {
+        'defines': ['ENABLE_CHROMOTING=1'],
+      }],
       ['proprietary_codecs==1', {
         'defines': ['USE_PROPRIETARY_CODECS'],
       }],