Add more logging to track down flakiness (2).

content/browser/renderer_host/legacy_render_widget_host_win.cc

 // Copyright (c) 2014 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/legacy_render_widget_host_win.h"
 
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/win/windows_version.h"
 #include "content/browser/accessibility/browser_accessibility_manager_win.h"
@@ skipping 106 matching lines @@
       reinterpret_cast<void **>(window_accessible_.Receive()));
   DCHECK(SUCCEEDED(hr));
 
   if (!BrowserAccessibilityState::GetInstance()->IsAccessibleBrowser()) {
     // Attempt to detect screen readers or other clients who want full
     // accessibility support, by seeing if they respond to this event.
     NotifyWinEvent(EVENT_SYSTEM_ALERT, hwnd(), kIdScreenReaderHoneyPot,
                    CHILDID_SELF);
   }
 
+  // http://crbug.com/440579 TODO(dmazzoni): remove this logging when
+  // flakiness is fixed.
+  LOG(INFO) << "LegacyRenderWidgetHostHWND::Init hwnd=" << hwnd();
+
   return !!SUCCEEDED(hr);
 }
 
 // static
 ui::WindowEventTarget* LegacyRenderWidgetHostHWND::GetWindowEventTarget(
     HWND parent) {
   return reinterpret_cast<ui::WindowEventTarget*>(ui::ViewProp::GetValue(
       parent, ui::WindowEventTarget::kWin32InputEventTarget));
 }
 
@@ skipping 247 matching lines @@
   // generate the legacy WM_VSCROLL/WM_HSCROLL messages.
   // We add these styles to ensure that trackpad/trackpoint scrolling
   // work.
   long current_style = ::GetWindowLong(hwnd(), GWL_STYLE);
   ::SetWindowLong(hwnd(), GWL_STYLE,
                   current_style | WS_VSCROLL | WS_HSCROLL);
   return 0;
 }
 
 }  // namespace content