Don't set the STATE_SYSTEM_HOTTRACKED state in tests.

content/browser/accessibility/browser_accessibility_win.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/accessibility/browser_accessibility_win.h"
 
 #include <UIAutomationClient.h>
 #include <UIAutomationCoreApi.h>
 
 #include "base/strings/string_number_conversions.h"
@@ skipping 3513 matching lines @@
   if (HasState(ui::AX_STATE_CHECKED))
     ia_state |= STATE_SYSTEM_CHECKED;
   if (HasState(ui::AX_STATE_COLLAPSED))
     ia_state |= STATE_SYSTEM_COLLAPSED;
   if (HasState(ui::AX_STATE_EXPANDED))
     ia_state |= STATE_SYSTEM_EXPANDED;
   if (HasState(ui::AX_STATE_FOCUSABLE))
     ia_state |= STATE_SYSTEM_FOCUSABLE;
   if (HasState(ui::AX_STATE_HASPOPUP))
     ia_state |= STATE_SYSTEM_HASPOPUP;
-  if (HasState(ui::AX_STATE_HOVERED))
-    ia_state |= STATE_SYSTEM_HOTTRACKED;
   if (HasState(ui::AX_STATE_INDETERMINATE))
     ia_state |= STATE_SYSTEM_INDETERMINATE;
   if (HasIntAttribute(ui::AX_ATTR_INVALID_STATE) &&
       GetIntAttribute(ui::AX_ATTR_INVALID_STATE) != ui::AX_INVALID_STATE_FALSE)
     ia2_state |= IA2_STATE_INVALID_ENTRY;
   if (HasState(ui::AX_STATE_INVISIBLE))
     ia_state |= STATE_SYSTEM_INVISIBLE;
   if (HasState(ui::AX_STATE_LINKED))
     ia_state |= STATE_SYSTEM_LINKED;
   if (HasState(ui::AX_STATE_MULTISELECTABLE)) {
@@ skipping 17 matching lines @@
     ia_state |= STATE_SYSTEM_TRAVERSED;
   if (!HasState(ui::AX_STATE_ENABLED))
     ia_state |= STATE_SYSTEM_UNAVAILABLE;
   if (HasState(ui::AX_STATE_VERTICAL))
     ia2_state |= IA2_STATE_VERTICAL;
   if (HasState(ui::AX_STATE_HORIZONTAL))
     ia2_state |= IA2_STATE_HORIZONTAL;
   if (HasState(ui::AX_STATE_VISITED))
     ia_state |= STATE_SYSTEM_TRAVERSED;
 
+  // Expose whether or not the mouse is over an element, but suppress
+  // this for tests because it can make the test results flaky depending
+  // on the position of the mouse.
+  BrowserAccessibilityStateImpl* accessibility_state =
+      BrowserAccessibilityStateImpl::GetInstance();
+  if (!accessibility_state->disable_hot_tracking_for_testing()) {
+    if (HasState(ui::AX_STATE_HOVERED))
+      ia_state |= STATE_SYSTEM_HOTTRACKED;
+  }
+
   // WebKit marks everything as readonly unless it's editable text, so if it's
   // not readonly, mark it as editable now. The final computation of the
   // READONLY state for MSAA is below, after the switch.
   if (!HasState(ui::AX_STATE_READ_ONLY))
     ia2_state |= IA2_STATE_EDITABLE;
 
   if (GetBoolAttribute(ui::AX_ATTR_BUTTON_MIXED))
     ia_state |= STATE_SYSTEM_MIXED;
 
   if (GetBoolAttribute(ui::AX_ATTR_CAN_SET_VALUE))
@@ skipping 461 matching lines @@
     ia2_role = ia_role;
 
   win_attributes_->ia_role = ia_role;
   win_attributes_->ia_state = ia_state;
   win_attributes_->role_name = role_name;
   win_attributes_->ia2_role = ia2_role;
   win_attributes_->ia2_state = ia2_state;
 }
 
 }  // namespace content