Add more logging to track down flakiness (2).

content/browser/renderer_host/legacy_render_widget_host_win.cc

Index: content/browser/renderer_host/legacy_render_widget_host_win.cc
diff --git a/content/browser/renderer_host/legacy_render_widget_host_win.cc b/content/browser/renderer_host/legacy_render_widget_host_win.cc
index a1e58819c09369350a3b77f867ddb49351b05044..9c5d61002f193f843f1c5aa5c97cc92ac224ca63 100644
--- a/content/browser/renderer_host/legacy_render_widget_host_win.cc
+++ b/content/browser/renderer_host/legacy_render_widget_host_win.cc
@@ -124,6 +124,10 @@ bool LegacyRenderWidgetHostHWND::Init() {
                    CHILDID_SELF);
   }
 
+  // http://crbug.com/440579 TODO(dmazzoni): remove this logging when
+  // flakiness is fixed.
+  LOG(INFO) << "LegacyRenderWidgetHostHWND::Init hwnd=" << hwnd();
+
   return !!SUCCEEDED(hr);
 }