Remove ViewHostMsg_UpdateIsDelayed

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 165 matching lines @@
       resize_ack_pending_(false),
       screen_info_out_of_date_(false),
       overdraw_bottom_height_(0.f),
       should_auto_resize_(false),
       waiting_for_screen_rects_ack_(false),
       accessibility_mode_(AccessibilityModeOff),
       needs_repainting_on_restore_(false),
       is_unresponsive_(false),
       in_flight_event_count_(0),
       in_get_backing_store_(false),
-      abort_get_backing_store_(false),
       view_being_painted_(false),
       ignore_input_events_(false),
       input_method_active_(false),
       text_direction_updated_(false),
       text_direction_(blink::WebTextDirectionLeftToRight),
       text_direction_canceled_(false),
       suppress_next_char_events_(false),
       pending_mouse_lock_request_(false),
       allow_privileged_mouse_lock_(false),
       has_touch_handler_(false),
@@ skipping 263 matching lines @@
     IPC_MESSAGE_HANDLER(ViewHostMsg_RenderProcessGone, OnRenderProcessGone)
     IPC_MESSAGE_HANDLER(ViewHostMsg_Close, OnClose)
     IPC_MESSAGE_HANDLER(ViewHostMsg_UpdateScreenRects_ACK,
                         OnUpdateScreenRectsAck)
     IPC_MESSAGE_HANDLER(ViewHostMsg_RequestMove, OnRequestMove)
     IPC_MESSAGE_HANDLER(ViewHostMsg_SetTooltipText, OnSetTooltipText)
     IPC_MESSAGE_HANDLER_GENERIC(ViewHostMsg_SwapCompositorFrame,
                                 msg_is_ok = OnSwapCompositorFrame(msg))
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidStopFlinging, OnFlingingStopped)
     IPC_MESSAGE_HANDLER(ViewHostMsg_UpdateRect, OnUpdateRect)
-    IPC_MESSAGE_HANDLER(ViewHostMsg_UpdateIsDelayed, OnUpdateIsDelayed)
     IPC_MESSAGE_HANDLER(ViewHostMsg_Focus, OnFocus)
     IPC_MESSAGE_HANDLER(ViewHostMsg_Blur, OnBlur)
     IPC_MESSAGE_HANDLER(ViewHostMsg_SetCursor, OnSetCursor)
     IPC_MESSAGE_HANDLER(ViewHostMsg_SetTouchEventEmulationEnabled,
                         OnSetTouchEventEmulationEnabled)
     IPC_MESSAGE_HANDLER(ViewHostMsg_TextInputTypeChanged,
                         OnTextInputTypeChanged)
     IPC_MESSAGE_HANDLER(ViewHostMsg_ImeCancelComposition,
                         OnImeCancelComposition)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidActivateAcceleratedCompositing,
@@ skipping 340 matching lines @@
     if (process_->WaitForBackingStoreMsg(routing_id_, max_delay, &msg)) {
       OnMessageReceived(msg);
 
       // For auto-resized views, current_size_ determines the view_size and it
       // may have changed during the handling of an UpdateRect message.
       if (should_auto_resize_)
         view_size = current_size_;
 
       // Break now if we got a backing store or accelerated surface of the
       // correct size.
-      if (view_->HasAcceleratedSurface(view_size) || abort_get_backing_store_) {
-        abort_get_backing_store_ = false;
+      if (view_->HasAcceleratedSurface(view_size))
         return;
-      }
     } else {
       TRACE_EVENT0("renderer_host", "WaitForSurface::Timeout");
       break;
     }
 
     // Loop if we still have time left and haven't gotten a properly sized
     // BackingStore yet. This is necessary to support the GPU path which
     // typically has multiple frames pipelined -- we may need to skip one or two
     // BackingStore messages to get to the latest.
     max_delay = end_time - TimeTicks::Now();
@@ skipping 722 matching lines @@
     }
   }
 
   // Log the time delta for processing a paint message. On platforms that don't
   // support asynchronous painting, this is equivalent to
   // MPArch.RWH_TotalPaintTime.
   TimeDelta delta = TimeTicks::Now() - paint_start;
   UMA_HISTOGRAM_TIMES("MPArch.RWH_OnMsgUpdateRect", delta);
 }
 
-void RenderWidgetHostImpl::OnUpdateIsDelayed() {
-  if (in_get_backing_store_)
-    abort_get_backing_store_ = true;
-}
-
 void RenderWidgetHostImpl::DidUpdateBackingStore(
     const ViewHostMsg_UpdateRect_Params& params,
     const TimeTicks& paint_start) {
   TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::DidUpdateBackingStore");
   TimeTicks update_start = TimeTicks::Now();
 
   // Move the plugins if the view hasn't already been destroyed.  Plugin moves
   // will not be re-issued, so must move them now, regardless of whether we
   // paint or not.  MovePluginWindows attempts to move the plugin windows and
   // in the process could dispatch other window messages which could cause the
@@ skipping 753 matching lines @@
   }
 }
 
 SkBitmap::Config RenderWidgetHostImpl::PreferredReadbackFormat() {
   if (view_)
     return view_->PreferredReadbackFormat();
   return SkBitmap::kARGB_8888_Config;
 }
 
 }  // namespace content