Remove a bunch of TOOLKIT_GTK in content/ and gpu/, as well as NPAPI plugins on linux

content/public/common/common_param_traits.h

 // 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.
 
 // This file is used to define IPC::ParamTraits<> specializations for a number
 // of types so that they can be serialized over IPC.  IPC::ParamTraits<>
 // specializations for basic types (like int and std::string) and types in the
 // 'base' project can be found in ipc/ipc_message_utils.h.  This file contains
 // specializations for types that are used by the content code, and which need
 // manual serialization code.  This is usually because they're not structs with
@@ skipping 186 matching lines @@
   static void Log(const param_type& p, std::string* l) {
     l->append("TransportDIB(");
     LogParam(p.handle, l);
     l->append(", ");
     LogParam(p.sequence_num, l);
     l->append(")");
   }
 };
 #endif
 
-#if defined(TOOLKIT_GTK)
-template<>
-struct ParamTraits<TransportDIB::Id> {
-  typedef TransportDIB::Id param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.shmkey);
-  }
-  static bool Read(const Message* m, PickleIterator* iter, param_type* r) {
-    return ReadParam(m, iter, &r->shmkey);
-  }
-  static void Log(const param_type& p, std::string* l) {
-    l->append("TransportDIB(");
-    LogParam(p.shmkey, l);
-    l->append(")");
-  }
-};
-#endif
-
 template <>
 struct CONTENT_EXPORT ParamTraits<SkBitmap> {
   typedef SkBitmap param_type;
   static void Write(Message* m, const param_type& p);
 
   // Note: This function expects parameter |r| to be of type &SkBitmap since
   // r->SetConfig() and r->SetPixels() are called.
   static bool Read(const Message* m, PickleIterator* iter, param_type* r);
 
   static void Log(const param_type& p, std::string* l);
 };
 
 }  // namespace IPC
 
 #endif  // CONTENT_PUBLIC_COMMON_COMMON_PARAM_TRAITS_H_