PPAPI/NaCl: Make NaClIPCAdapter transfer handles more generally

ppapi/ppapi_ipc_untrusted.gyp

Index: ppapi/ppapi_ipc_untrusted.gyp
diff --git a/media/media_untrusted.gyp b/ppapi/ppapi_ipc_untrusted.gyp
similarity index 66%
copy from media/media_untrusted.gyp
copy to ppapi/ppapi_ipc_untrusted.gyp
index 4abbe5666609a09f87da88bb73a0990ae69efd54..ec6fdf907f0afeb16bc76e2ff6deff8e9144f8cd 100644
--- a/media/media_untrusted.gyp
+++ b/ppapi/ppapi_ipc_untrusted.gyp
@@ -8,34 +8,34 @@
   },
   'includes': [
     '../native_client/build/untrusted.gypi',
+    'ppapi_ipc.gypi',
   ],
   'conditions': [
     ['disable_nacl==0 and disable_nacl_untrusted==0', {
       'targets': [
         {
-          'target_name': 'shared_memory_support_untrusted',
+          'target_name': 'ppapi_ipc_untrusted',
           'type': 'none',
           'variables': {
+            'ppapi_ipc_target': 1,
+            'nacl_win64_target': 0,
             'nacl_untrusted_build': 1,
-            'nlib_target': 'libshared_memory_support_untrusted.a',
+            'nlib_target': 'libppapi_ipc_untrusted.a',
             'build_glibc': 0,
             'build_newlib': 1,
           },
-          'dependencies': [
-            '../native_client/tools.gyp:prep_toolchain',
-            '../base/base_untrusted.gyp:base_untrusted',
-          ],
           'defines': [
-            'MEDIA_IMPLEMENTATION',
+            'NACL_PPAPI_IPC_PROXY',
           ],
           'include_dirs': [
             '..',
           ],
-          'includes': [
-            'shared_memory_support.gypi',
-          ],
-          'sources': [
-            '<@(shared_memory_support_sources)',
+          'dependencies': [
+            '../native_client/tools.gyp:prep_toolchain',
+            '../base/base_untrusted.gyp:base_untrusted',
+            '../gpu/gpu_untrusted.gyp:gpu_ipc_untrusted',
+            '../ipc/ipc_untrusted.gyp:ipc_untrusted',
+            '../ppapi/ppapi_shared_untrusted.gyp:ppapi_shared_untrusted',
           ],
         },
       ],