Fix race between DPI and window size

content/browser/renderer_host/render_widget_host_view_base.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_view_base.h"
 
 #include "base/logging.h"
 #include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/renderer_host/basic_mouse_wheel_smooth_scroll_gesture.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
@@ skipping 439 matching lines @@
 
   if (impl)
     impl->SendScreenRects();
 
   gfx::Display display =
       gfx::Screen::GetScreenFor(view)->GetDisplayNearestWindow(view);
   if (current_display_area_ == display.work_area() &&
       current_device_scale_factor_ == display.device_scale_factor()) {
     return;
   }
-  bool device_scale_factor_changed =
-      current_device_scale_factor_ != display.device_scale_factor();
   current_display_area_ = display.work_area();
   current_device_scale_factor_ = display.device_scale_factor();
-  if (impl) {
+  if (impl)
     impl->NotifyScreenInfoChanged();
-    if (device_scale_factor_changed)
-      impl->WasResized();
-  }
 }
 
 SmoothScrollGesture* RenderWidgetHostViewBase::CreateSmoothScrollGesture(
     bool scroll_down, int pixels_to_scroll, int mouse_event_x,
     int mouse_event_y) {
   return new BasicMouseWheelSmoothScrollGesture(scroll_down, pixels_to_scroll,
                                                 mouse_event_x, mouse_event_y);
 }
 
 void RenderWidgetHostViewBase::ProcessAckedTouchEvent(
@@ skipping 35 matching lines @@
       static_cast<RenderProcessHostImpl*>(impl->GetProcess());
   render_process_host->EndFrameSubscription(impl->GetRoutingID());
 }
 
 void RenderWidgetHostViewBase::OnOverscrolled(
     gfx::Vector2dF accumulated_overscroll,
     gfx::Vector2dF current_fling_velocity) {
 }
 
 }  // namespace content