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

content/public/browser/native_web_keyboard_event.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.
 
 #ifndef CONTENT_PUBLIC_BROWSER_NATIVE_WEB_KEYBOARD_EVENT_H_
 #define CONTENT_PUBLIC_BROWSER_NATIVE_WEB_KEYBOARD_EVENT_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "build/build_config.h"
@@ skipping 10 matching lines @@
   NON_EXPORTED_BASE(public blink::WebKeyboardEvent) {
   NativeWebKeyboardEvent();
 
   explicit NativeWebKeyboardEvent(gfx::NativeEvent native_event);
 #if defined(USE_AURA)
   NativeWebKeyboardEvent(ui::EventType type,
                          bool is_char,
                          wchar_t character,
                          int state,
                          double time_stamp_seconds);
-#elif defined(OS_MACOSX) || defined(TOOLKIT_GTK)
+#elif defined(OS_MACOSX)
   // TODO(suzhe): Limit these constructors to Linux native Gtk port.
   // For Linux Views port, after using RenderWidgetHostViewViews to replace
   // RenderWidgetHostViewGtk, we can use constructors for TOOLKIT_VIEWS defined
   // below.
   NativeWebKeyboardEvent(wchar_t character,
                          int state,
                          double time_stamp_seconds);
 #elif defined(OS_ANDROID)
   NativeWebKeyboardEvent(blink::WebInputEvent::Type type,
                          int modifiers,
@@ skipping 18 matching lines @@
 
   gfx::NativeEvent os_event;
 
   // True if the browser should ignore this event if it's not handled by the
   // renderer. This happens for RawKeyDown events that are created while IME is
   // active and is necessary to prevent backspace from doing "history back" if
   // it is hit in ime mode.
   // Currently, it's only used by Linux and Mac ports.
   bool skip_in_browser;
 
-#if defined(USE_AURA) || defined(TOOLKIT_GTK)
+#if defined(USE_AURA)
   // True if the key event matches an edit command. In order to ensure the edit
   // command always work in web page, the browser should not pre-handle this key
   // event as a reserved accelerator. See http://crbug.com/54573
   bool match_edit_command;
 #endif
 };
 
 // Returns a bitmak of values from ui/events/event_constants.h.
 CONTENT_EXPORT int GetModifiersFromNativeWebKeyboardEvent(
     const NativeWebKeyboardEvent& event);
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_NATIVE_WEB_KEYBOARD_EVENT_H_