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

ppapi/proxy/ppb_graphics_3d_proxy.h

Index: ppapi/proxy/ppb_graphics_3d_proxy.h
diff --git a/ppapi/proxy/ppb_graphics_3d_proxy.h b/ppapi/proxy/ppb_graphics_3d_proxy.h
index c6975bf0d39e5606f23f3006206437183c8e5f83..521d90eb7f6a69caec84e6a630d34f7fa06d7df2 100644
--- a/ppapi/proxy/ppb_graphics_3d_proxy.h
+++ b/ppapi/proxy/ppb_graphics_3d_proxy.h
@@ -28,7 +28,7 @@ class Graphics3D : public PPB_Graphics3D_Shared {
   explicit Graphics3D(const HostResource& resource);
   virtual ~Graphics3D();
 
-  bool Init();
+  bool Init(gpu::gles2::GLES2Implementation* share_gles2);
 
   // Graphics3DTrusted API. These are not implemented in the proxy.
   virtual PP_Bool InitCommandBuffer() OVERRIDE;
@@ -61,9 +61,10 @@ class PPB_Graphics3D_Proxy : public InterfaceProxy {
   PPB_Graphics3D_Proxy(Dispatcher* dispatcher);
   virtual ~PPB_Graphics3D_Proxy();
 
-  static PP_Resource CreateProxyResource(PP_Instance instance,
-                                         PP_Resource share_context,
-                                         const int32_t* attrib_list);
+  static PP_Resource CreateProxyResource(
+      PP_Instance instance,
+      PP_Resource share_context,
+      const int32_t* attrib_list);
 
   // InterfaceProxy implementation.
   virtual bool OnMessageReceived(const IPC::Message& msg);
@@ -72,6 +73,7 @@ class PPB_Graphics3D_Proxy : public InterfaceProxy {
 
  private:
   void OnMsgCreate(PP_Instance instance,
+                   HostResource share_context,
                    const std::vector<int32_t>& attribs,
                    HostResource* result);
   void OnMsgInitCommandBuffer(const HostResource& context);