Remove two unnecessary params in ViewHostMsg_UpdateRect_Params

content/common/browser_plugin/browser_plugin_messages.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.
 
 // Multiply-included message header, no traditional include guard.
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/process/process.h"
@@ skipping 48 matching lines @@
 IPC_STRUCT_END()
 
 IPC_STRUCT_BEGIN(BrowserPluginMsg_UpdateRect_Params)
   // The size of the RenderView when this message was generated.  This is
   // included so the host knows how large the view is from the perspective of
   // the renderer process.  This is necessary in case a resize operation is in
   // progress. If auto-resize is enabled, this should update the corresponding
   // view size.
   IPC_STRUCT_MEMBER(gfx::Size, view_size)
 
-  // All the above coordinates are in DIP. This is the scale factor needed
-  // to convert them to pixels.
-  IPC_STRUCT_MEMBER(float, scale_factor)
-
   // Is this UpdateRect an ACK to a resize request?
   IPC_STRUCT_MEMBER(bool, is_resize_ack)
 IPC_STRUCT_END()
 
 // Browser plugin messages
 
 // -----------------------------------------------------------------------------
 // These messages are from the embedder to the browser process.
 
 // This message is sent from BrowserPlugin to BrowserPluginGuest to issue an
@@ skipping 177 matching lines @@
 // See comment about BrowserPluginMsg_BuffersSwapped and
 // BrowserPluginMsg_CompositorFrameSwapped for how these related
 // to the FrameHostMsg variants.
 IPC_MESSAGE_ROUTED1(BrowserPluginHostMsg_BuffersSwappedACK,
                     FrameHostMsg_BuffersSwappedACK_Params /* params */)
 
 // Acknowledge that we presented an ubercomp frame.
 IPC_MESSAGE_ROUTED2(BrowserPluginHostMsg_CompositorFrameSwappedACK,
                     int /* browser_plugin_instance_id */,
                     FrameHostMsg_CompositorFrameSwappedACK_Params /* params */)