Fix flakiness in DumpAccessibilityEvent* tests.

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 9c5d61002f193f843f1c5aa5c97cc92ac224ca63..f6804489457ea795b4824d47959ee0b7015e4438 100644
--- a/content/browser/renderer_host/legacy_render_widget_host_win.cc
+++ b/content/browser/renderer_host/legacy_render_widget_host_win.cc
@@ -124,10 +124,6 @@ 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);
 }
 
@@ -151,15 +147,6 @@ LRESULT LegacyRenderWidgetHostHWND::OnGetObject(UINT message,
   // because it sometimes gets sign-extended incorrectly (but not always).
   DWORD obj_id = static_cast<DWORD>(static_cast<DWORD_PTR>(l_param));
 
-  // http://crbug.com/440579 TODO(dmazzoni): remove this logging when
-  // flakiness is fixed.
-  LOG(INFO) << "LegacyRenderWidgetHostHWND::OnGetObject"
-            << " message=" << message
-            << " w_param=" << w_param
-            << " l_param=" << l_param
-            << " obj_id=" << obj_id
-            << " host_=" << host_;
-
   if (kIdScreenReaderHoneyPot == obj_id) {
     // When an MSAA client has responded to our fake event on this id,
     // enable screen reader support.
@@ -172,18 +159,14 @@ LRESULT LegacyRenderWidgetHostHWND::OnGetObject(UINT message,
 
   RenderWidgetHostImpl* rwhi = RenderWidgetHostImpl::From(
       host_->GetRenderWidgetHost());
-  if (!rwhi) {
-    LOG(WARNING) << "No RWHI";
+  if (!rwhi)
     return static_cast<LRESULT>(0L);
-  }
 
   BrowserAccessibilityManagerWin* manager =
       static_cast<BrowserAccessibilityManagerWin*>(
           rwhi->GetRootBrowserAccessibilityManager());
-  if (!manager) {
-    LOG(WARNING) << "No manager";
+  if (!manager)
     return static_cast<LRESULT>(0L);
-  }
 
   base::win::ScopedComPtr<IAccessible> root(
       manager->GetRoot()->ToBrowserAccessibilityWin());