Use Blink accessibility enums in Chromium

content/browser/renderer_host/render_widget_host_view_mac.mm

Index: content/browser/renderer_host/render_widget_host_view_mac.mm
diff --git a/content/browser/renderer_host/render_widget_host_view_mac.mm b/content/browser/renderer_host/render_widget_host_view_mac.mm
index e81d8cb6879c3b6b0982a6b3a3d72158c6560d5e..f87b0257d457224309c05970d028ce8478150027 100644
--- a/content/browser/renderer_host/render_widget_host_view_mac.mm
+++ b/content/browser/renderer_host/render_widget_host_view_mac.mm
@@ -1857,8 +1857,8 @@ void RenderWidgetHostViewMac::SetBackground(const SkBitmap& background) {
         render_widget_host_->GetRoutingID(), background));
 }
 
-void RenderWidgetHostViewMac::OnAccessibilityNotifications(
-    const std::vector<AccessibilityHostMsg_NotificationParams>& params) {
+void RenderWidgetHostViewMac::OnAccessibilityEvents(
+    const std::vector<AccessibilityHostMsg_EventParams>& params) {
   if (!GetBrowserAccessibilityManager()) {
     SetBrowserAccessibilityManager(
         new BrowserAccessibilityManagerMac(
@@ -1866,7 +1866,7 @@ void RenderWidgetHostViewMac::OnAccessibilityNotifications(
             BrowserAccessibilityManagerMac::GetEmptyDocument(),
             NULL));
   }
-  GetBrowserAccessibilityManager()->OnAccessibilityNotifications(params);
+  GetBrowserAccessibilityManager()->OnAccessibilityEvents(params);
 }
 
 void RenderWidgetHostViewMac::SetTextInputActive(bool active) {