Remove two unnecessary params in ViewHostMsg_UpdateRect_Params

content/browser/renderer_host/render_widget_host_impl.cc

 // 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.
 
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 
 #include <math.h>
 #include <set>
 #include <utility>
 
@@ skipping 1471 matching lines @@
     view_->DidStopFlinging();
 }
 
 void RenderWidgetHostImpl::OnUpdateRect(
     const ViewHostMsg_UpdateRect_Params& params) {
   TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::OnUpdateRect");
   TimeTicks paint_start = TimeTicks::Now();
 
   // Update our knowledge of the RenderWidget's size.
   current_size_ = params.view_size;
-  // Update our knowledge of the RenderWidget's scroll offset.
-  last_scroll_offset_ = params.scroll_offset;
 
   bool is_resize_ack =
       ViewHostMsg_UpdateRect_Flags::is_resize_ack(params.flags);
 
   // resize_ack_pending_ needs to be cleared before we call DidPaintRect, since
   // that will end up reaching GetBackingStore.
   if (is_resize_ack) {
     DCHECK(!g_check_for_pending_resize_ack || resize_ack_pending_);
     resize_ack_pending_ = false;
   }
@@ skipping 391 matching lines @@
   } else if (type == UNEXPECTED_EVENT_TYPE) {
     suppress_next_char_events_ = false;
   }
 }
 
 void RenderWidgetHostImpl::OnSyntheticGestureCompleted(
     SyntheticGesture::Result result) {
   Send(new InputMsg_SyntheticGestureCompleted(GetRoutingID()));
 }
 
-const gfx::Vector2d& RenderWidgetHostImpl::GetLastScrollOffset() const {
-  return last_scroll_offset_;
-}
-
 bool RenderWidgetHostImpl::IgnoreInputEvents() const {
   return ignore_input_events_ || process_->IgnoreInputEvents();
 }
 
 bool RenderWidgetHostImpl::ShouldForwardTouchEvent() const {
   // It's important that the emulator sees a complete native touch stream,
   // allowing it to perform touch filtering as appropriate.
   // TODO(dgozman): Remove when touch stream forwarding issues resolved, see
   // crbug.com/375940.
   if (touch_emulator_ && touch_emulator_->enabled())
@@ skipping 398 matching lines @@
 }
 #endif
 
 SkColorType RenderWidgetHostImpl::PreferredReadbackFormat() {
   if (view_)
     return view_->PreferredReadbackFormat();
   return kN32_SkColorType;
 }
 
 }  // namespace content