prune down content_dll change to just the CONTENT_EXPORTS

content/browser/renderer_host/render_widget_host.h

 // Copyright (c) 2011 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_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_
 #pragma once
 
 #include <deque>
 #include <string>
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/process_util.h"
 #include "base/string16.h"
 #include "base/timer.h"
+#include "content/common/content_export.h"
 #include "content/common/native_web_keyboard_event.h"
 #include "content/common/property_bag.h"
 #include "ipc/ipc_channel.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebInputEvent.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebTextDirection.h"
 #include "ui/base/ime/text_input_type.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
 #include "ui/gfx/surface/transport_dib.h"
@@ skipping 88 matching lines @@
 // to it (the TabContents does not).
 //
 // It should be noted that the RenderViewHost, not the RenderWidgetHost,
 // handles IPC messages relating to the render process going away, since the
 // way a RenderViewHost (TabContents) handles the process dying is different to
 // the way a select popup does. As such the RenderWidgetHostView handles these
 // messages for select popups. This placement is more out of convenience than
 // anything else. When the view is live, these messages are forwarded to it by
 // the RenderWidgetHost's IPC message map.
 //
-class RenderWidgetHost : public IPC::Channel::Listener,
-                         public IPC::Channel::Sender {
+class CONTENT_EXPORT RenderWidgetHost : public IPC::Channel::Listener,
+                                        public IPC::Channel::Sender {
  public:
   // Used as the details object for a
   // RENDER_WIDGET_HOST_DID_RECEIVE_PAINT_AT_SIZE_ACK notification.
   struct PaintAtSizeAckDetails {
     // The tag that was passed to the PaintAtSize() call that triggered this
     // ack.
     int tag;
     gfx::Size size;
   };
 
@@ skipping 536 matching lines @@
 
   std::vector<gfx::PluginWindowHandle> deferred_plugin_handles_;
 
   // The last scroll offset of the render widget.
   gfx::Point last_scroll_offset_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHost);
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_