PPB_HostResolver_Private is switched to the new Pepper proxy.

ppapi/shared_impl/private/ppb_host_resolver_shared.h

Index: ppapi/shared_impl/private/ppb_host_resolver_shared.h
diff --git a/ppapi/shared_impl/private/ppb_host_resolver_shared.h b/ppapi/shared_impl/private/ppb_host_resolver_shared.h
index 7372dc54eb7be0f83b4c867ac2eca0b5a19538ca..8fe533e16900e21aef52d3e42eab2174c782b209 100644
--- a/ppapi/shared_impl/private/ppb_host_resolver_shared.h
+++ b/ppapi/shared_impl/private/ppb_host_resolver_shared.h
@@ -10,7 +10,6 @@
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
-#include "ppapi/shared_impl/resource.h"
 #include "ppapi/shared_impl/tracked_callback.h"
 #include "ppapi/thunk/ppb_host_resolver_private_api.h"
 
@@ -22,20 +21,10 @@ struct HostPortPair {
 };
 
 class PPAPI_SHARED_EXPORT PPB_HostResolver_Shared
-    : public thunk::PPB_HostResolver_Private_API,
-      public Resource {
+    : public thunk::PPB_HostResolver_Private_API {
  public:
-  // C-tor used in Impl case.
-  explicit PPB_HostResolver_Shared(PP_Instance instance);
-
-  // C-tor used in Proxy case.
-  explicit PPB_HostResolver_Shared(const HostResource& resource);
-
-  virtual ~PPB_HostResolver_Shared();
-
-  // Resource overrides.
-  virtual PPB_HostResolver_Private_API*
-      AsPPB_HostResolver_Private_API() OVERRIDE;
+  PPB_HostResolver_Shared() {}
+  virtual ~PPB_HostResolver_Shared() {}
 
   // PPB_HostResolver_Private_API implementation.
   virtual int32_t Resolve(const char* host,
@@ -58,11 +47,8 @@ class PPAPI_SHARED_EXPORT PPB_HostResolver_Shared
                            const PP_HostResolver_Private_Hint* hint) = 0;
 
  protected:
-  static uint32 GenerateHostResolverID();
   bool ResolveInProgress() const;
 
-  const uint32 host_resolver_id_;
-
   scoped_refptr<TrackedCallback> resolve_callback_;
 
   std::string canonical_name_;