Change panels to be able to turn off autoresize.

content/browser/renderer_host/render_widget_host.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.h"
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 872 matching lines @@
 
 bool RenderWidgetHostImpl::IsMouseLocked() const {
   return view_ ? view_->IsMouseLocked() : false;
 }
 
 bool RenderWidgetHostImpl::IsFullscreen() const {
   return false;
 }
 
 void RenderWidgetHostImpl::SetShouldAutoResize(bool enable) {
-  // Note if this switches from true to false then one has to verify that the
-  // mechanics about all the messaging works. For example, what happens to a
-  // update message rect that was in progress from the render widget. Perhaps,
-  // on a transition to false, this should do a WasResized, but what if that
-  // will not trigger a resize message...etc. Due to these complications it is
-  // fitting that this method doesn't look like a simple set method.
-  DCHECK(enable);
-
-  // TODO: Change this to enable instead of true when this supports turning
-  // off auto-resize.
-  should_auto_resize_ = true;
+  should_auto_resize_ = enable;
 }
 
 void RenderWidgetHostImpl::Destroy() {
   content::NotificationService::current()->Notify(
       content::NOTIFICATION_RENDER_WIDGET_HOST_DESTROYED,
       content::Source<RenderWidgetHostImpl>(this),
       content::NotificationService::NoDetails());
 
   // Tell the view to die.
   // Note that in the process of the view shutting down, it can call a ton
@@ skipping 105 matching lines @@
   // 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 || should_auto_resize_) {
-    if (is_resize_ack) {
-      DCHECK(resize_ack_pending_);
-      resize_ack_pending_ = false;
-      in_flight_size_.SetSize(0, 0);
-    }
+  if (is_resize_ack) {
+    DCHECK(resize_ack_pending_);
+    resize_ack_pending_ = false;
+    in_flight_size_.SetSize(0, 0);
   }
 
   bool is_repaint_ack =
       ViewHostMsg_UpdateRect_Flags::is_repaint_ack(params.flags);
   if (is_repaint_ack) {
     repaint_ack_pending_ = false;
     TimeDelta delta = TimeTicks::Now() - repaint_start_time_;
     UMA_HISTOGRAM_TIMES("MPArch.RWH_RepaintDelta", delta);
   }
 
@@ skipping 534 matching lines @@
     ui_shim->Send(new AcceleratedSurfaceMsg_BuffersSwappedACK(route_id));
 }
 
 // static
 void RenderWidgetHostImpl::AcknowledgePostSubBuffer(int32 route_id,
                                                     int gpu_host_id) {
   GpuProcessHostUIShim* ui_shim = GpuProcessHostUIShim::FromID(gpu_host_id);
   if (ui_shim)
     ui_shim->Send(new AcceleratedSurfaceMsg_PostSubBufferACK(route_id));
 }