Put more files under the enable_service_discovery build flag.

chrome/common/extensions/api/schemas.gypi

Index: chrome/common/extensions/api/schemas.gypi
diff --git a/chrome/common/extensions/api/schemas.gypi b/chrome/common/extensions/api/schemas.gypi
index 51a5797ac95f2e60999a3c3219a2948f721cef9c..2f18c53022988df6310b4db0e57ed9f5e75eb24d 100644
--- a/chrome/common/extensions/api/schemas.gypi
+++ b/chrome/common/extensions/api/schemas.gypi
@@ -135,8 +135,11 @@
 
     # Non Android schemas.
     'non_android_schema_files': [
-      'gcd_private.idl',
       'launcher_page.idl',
+    ],
+
+    'service_discovery_schema_files': [
+      'gcd_private.idl',
       'mdns.idl',
     ],
 
@@ -177,14 +180,19 @@
 	  'input_ime.json',
 	],
       }],
-      ['enable_webrtc==1', {
+      ['OS!="android"', {
         'schema_files': [
-          '<@(webrtc_schema_files)',
+          '<@(non_android_schema_files)',
         ],
       }],
-      ['OS!="android"', {
+      ['enable_service_discovery==1', {
         'schema_files': [
-          '<@(non_android_schema_files)',
+          '<@(service_discovery_schema_files)',
+        ],
+      }],
+      ['enable_webrtc==1', {
+        'schema_files': [
+          '<@(webrtc_schema_files)',
         ],
       }],
     ],