Switch AccessibilityMode to be a bitmap

content/browser/renderer_host/render_widget_host_impl.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/renderer_host/render_widget_host_impl.h"
 
 #include <math.h>
 #include <set>
 #include <utility>
 
@@ skipping 901 matching lines @@
         base::TimeDelta::FromMilliseconds(hung_renderer_delay_ms_));
 }
 
 void RenderWidgetHostImpl::StopHangMonitorTimeout() {
   if (hang_monitor_timeout_)
     hang_monitor_timeout_->Stop();
   RendererIsResponsive();
 }
 
 void RenderWidgetHostImpl::EnableFullAccessibilityMode() {
-  SetAccessibilityMode(AccessibilityModeComplete);
+  SetAccessibilityMode(accessibility_mode_ | AccessibilityModeComplete);
 }
 
 void RenderWidgetHostImpl::ForwardMouseEvent(const WebMouseEvent& mouse_event) {
   ForwardMouseEventWithLatencyInfo(MouseEventWithLatencyInfo(
       mouse_event, CreateRWHLatencyInfoIfNotExist(NULL, mouse_event.type)));
 }
 
 void RenderWidgetHostImpl::ForwardMouseEventWithLatencyInfo(
     const MouseEventWithLatencyInfo& mouse_event) {
   TRACE_EVENT2("input", "RenderWidgetHostImpl::ForwardMouseEvent",
@@ skipping 1158 matching lines @@
 
 void RenderWidgetHostImpl::SetBackground(const SkBitmap& background) {
   Send(new ViewMsg_SetBackground(GetRoutingID(), background));
 }
 
 void RenderWidgetHostImpl::SetEditCommandsForNextKeyEvent(
     const std::vector<EditCommand>& commands) {
   Send(new InputMsg_SetEditCommandsForNextKeyEvent(GetRoutingID(), commands));
 }
 
-void RenderWidgetHostImpl::SetAccessibilityMode(AccessibilityMode mode) {
+void RenderWidgetHostImpl::SetAccessibilityMode(unsigned int mode) {
   accessibility_mode_ = mode;
   Send(new ViewMsg_SetAccessibilityMode(GetRoutingID(), mode));
 }
 
+void RenderWidgetHostImpl::SetRendererAccessibilityMode(bool on) {
+  if (bool(accessibility_mode_ & AccessibilityModeFlagRenderer) == on)

[David Tseng, 2014/01/27 22:16:06]

Ditto; cast; 
and
xor.

[aboxhall, 2014/01/28 00:18:42]

Done.

+    return;
+  if (on)
+    accessibility_mode_ |= AccessibilityModeFlagRenderer;
+  else
+    accessibility_mode_ &= (~AccessibilityModeFlagRenderer);
+  Send(new ViewMsg_SetAccessibilityMode(GetRoutingID(), accessibility_mode_));
+}
+
 void RenderWidgetHostImpl::AccessibilityDoDefaultAction(int object_id) {
   Send(new AccessibilityMsg_DoDefaultAction(GetRoutingID(), object_id));
 }
 
 void RenderWidgetHostImpl::AccessibilitySetFocus(int object_id) {
   Send(new AccessibilityMsg_SetFocus(GetRoutingID(), object_id));
 }
 
 void RenderWidgetHostImpl::AccessibilityScrollToMakeVisible(
     int acc_obj_id, gfx::Rect subfocus) {
@@ skipping 352 matching lines @@
         continue;
       }
       RenderWidgetHostImpl* rwhi = RenderWidgetHostImpl::From(rwh);
       if (rwhi_set.insert(rwhi).second)
         rwhi->FrameSwapped(latency_info);
     }
   }
 }
 
 }  // namespace content