Pull necessary dependencies to be able to process mojo.gyp on iOS

content/content_app.gypi

Index: content/content_app.gypi
diff --git a/content/content_app.gypi b/content/content_app.gypi
index 00ee842b1483168c88dc59d9cb033df06ef51c17..8ac04deda69a27ddb789b9669b931060f997bbf7 100644
--- a/content/content_app.gypi
+++ b/content/content_app.gypi
@@ -10,6 +10,10 @@
     '../base/base.gyp:base',
     '../base/base.gyp:base_i18n',
     '../crypto/crypto.gyp:crypto',
+    '../mojo/mojo_base.gyp:mojo_application_bindings',
+    '../mojo/mojo_base.gyp:mojo_environment_chromium',
+    '../mojo/mojo_base.gyp:mojo_system_impl',
+    '../mojo/mojo.gyp:mojo_application_manager',
     '../ui/base/ui_base.gyp:ui_base',
     '../ui/gfx/gfx.gyp:gfx',
     '../ui/gfx/gfx.gyp:gfx_geometry',
@@ -59,16 +63,7 @@
     ['OS=="ios"', {
       'sources!': [
         'app/content_main.cc',
-        'app/mojo/mojo_init.cc',
-        'app/mojo/mojo_init.h',
       ],
-    }, {  # OS!="ios"
-      'dependencies': [
-        '../mojo/mojo_base.gyp:mojo_application_bindings',
-        '../mojo/mojo_base.gyp:mojo_environment_chromium',
-        '../mojo/mojo_base.gyp:mojo_system_impl',
-        '../mojo/mojo.gyp:mojo_application_manager',
-     ],
     }],
   ],
 }