Wrap the p2p transport API in a compile time flag.

webkit/glue/webkit_glue.gypi

Index: webkit/glue/webkit_glue.gypi
diff --git a/webkit/glue/webkit_glue.gypi b/webkit/glue/webkit_glue.gypi
index 16fe656477bc2694238c28fc6213137b4db41747..82dc4e4e9a1cfdeb57c7b5dd84a8f770112a2938 100644
--- a/webkit/glue/webkit_glue.gypi
+++ b/webkit/glue/webkit_glue.gypi
@@ -283,8 +283,6 @@
         '../plugins/ppapi/ppb_scrollbar_impl.h',
         '../plugins/ppapi/ppb_surface_3d_impl.cc',
         '../plugins/ppapi/ppb_surface_3d_impl.h',
-        '../plugins/ppapi/ppb_transport_impl.cc',
-        '../plugins/ppapi/ppb_transport_impl.h',
         '../plugins/ppapi/ppb_url_loader_impl.cc',
         '../plugins/ppapi/ppb_url_loader_impl.h',
         '../plugins/ppapi/ppb_url_request_info_impl.cc',
@@ -356,7 +354,6 @@
         'multipart_response_delegate.h',
         'npruntime_util.cc',
         'npruntime_util.h',
-        'p2p_transport.h',
         'password_form.cc',
         'password_form.h',
         'password_form_dom_manager.cc',
@@ -502,6 +499,13 @@
             '<(DEPTH)/webkit/support/setup_third_party.gyp:third_party_headers',
           ],
         }],
+        ['ppapi_transport==1', {
+          'sources': [
+            '../plugins/ppapi/ppb_transport_impl.cc',
+            '../plugins/ppapi/ppb_transport_impl.h',
+            'p2p_transport.h',

[Sergey Ulanov, 2011/04/19 18:54:57]

Not that it metters much, but I think it's better to keep this header always
enabled - it's included in other files anyway.

+          ],
+        }],
       ],
     },
   ],