Add more logging to track down flakiness (2).

BUG=440579
TBR=nasko@chromium.org
NOPRESUBMIT=true
NOTRY=true

Review URL: https://codereview.chromium.org/884683003

Cr-Commit-Position: refs/heads/master@{#314096}

content/browser/accessibility/accessibility_event_recorder_win.cc

@@ -176,6 +176,9 @@ void AccessibilityEventRecorderWin::OnWinEventHook(
     // don't care about, so it's safe to just ignore these failures.
     // Same below for other HRESULT checks.
     LOG(INFO) << "Ignoring result " << hr << " from AccessibleObjectFromWindow";
+    TCHAR name[MAX_PATH];
+    GetClassName(hwnd, name, _countof(name));
+    LOG(INFO) << "Hwnd " << hwnd << " class is " << name;
     return;
   }
 

content/browser/accessibility/browser_accessibility_win.cc

@@ -3215,8 +3215,12 @@ void BrowserAccessibilityWin::OnUpdateFinished() {
       manager->MaybeCallNotifyWinEvent(EVENT_OBJECT_HELPCHANGE, this);
     if (value != old_win_attributes_->value)
       manager->MaybeCallNotifyWinEvent(EVENT_OBJECT_VALUECHANGE, this);
-    if (ia_state() != old_win_attributes_->ia_state)
+    if (ia_state() != old_win_attributes_->ia_state) {
+      LOG(INFO) << "State change:"
+                << " from " << old_win_attributes_->ia_state
+                << " to " << ia_state();
       manager->MaybeCallNotifyWinEvent(EVENT_OBJECT_STATECHANGE, this);
+    }
 
     // Normally focus events are handled elsewhere, however
     // focus for managed descendants is platform-specific.

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);
 }