Add the necessary plumbing mechanisms to ensure proper WebGL support inside the <browser> tag, whic…

ppapi/thunk/ppb_graphics_3d_trusted_thunk.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ppapi/thunk/thunk.h"
 #include "ppapi/thunk/enter.h"
 #include "ppapi/thunk/ppb_graphics_3d_api.h"
 #include "ppapi/thunk/resource_creation_api.h"
 
 namespace ppapi {
 namespace thunk {
 
 namespace {
 
 typedef EnterResource<PPB_Graphics3D_API> EnterGraphics3D;
 
 PP_Graphics3DTrustedState GetErrorState() {
   PP_Graphics3DTrustedState error_state = { 0 };
   error_state.error = PPB_GRAPHICS3D_TRUSTED_ERROR_GENERICERROR;
   return error_state;
 }
 
 PP_Resource CreateRaw(PP_Instance instance,
                       PP_Resource share_context,
                       const int32_t* attrib_list) {
   EnterResourceCreation enter(instance);
   if (enter.failed())
     return 0;
+
+  PPB_Graphics3D_API* share_api = NULL;

[brettw, 2012/05/25 23:19:41]

This code should be in the impl/proxy files. I want to eventually autogenerate
the thunk layer, so I don't want the thunk functions doing anything other than
dispatching on the Instance/Resource param and forwarding everything else.

+  if (share_context) {
+    EnterResourceNoLock<PPB_Graphics3D_API> enter_share(instance, true);
+    if (enter_share.failed())
+      return 0;
+    share_api = enter_share.object();
+  }
+
   return enter.functions()->CreateGraphics3DRaw(
-      instance, share_context, attrib_list);
+      instance, share_api, attrib_list);
 }
 
 PP_Bool InitCommandBuffer(PP_Resource context) {
   EnterGraphics3D enter(context, true);
   if (enter.failed())
     return PP_FALSE;
   return enter.object()->InitCommandBuffer();
 }
 
 PP_Bool SetGetBuffer(PP_Resource context, int32_t transfer_buffer_id) {
@@ skipping 71 matching lines @@
 };
 
 }  // namespace
 
 const PPB_Graphics3DTrusted_1_0* GetPPB_Graphics3DTrusted_1_0_Thunk() {
   return &g_ppb_graphics_3d_trusted_thunk;
 }
 
 }  // namespace thunk
 }  // namespace ppapi