Switch AccessibilityMode to be a bitmap

content/browser/renderer_host/render_widget_host_impl.cc

Index: content/browser/renderer_host/render_widget_host_impl.cc
diff --git a/content/browser/renderer_host/render_widget_host_impl.cc b/content/browser/renderer_host/render_widget_host_impl.cc
index 05bcf4822cf398541dda22725d2e737c9a62ffb5..92072b5ffb74eb7b5c0931f8d3dbd189b770873f 100644
--- a/content/browser/renderer_host/render_widget_host_impl.cc
+++ b/content/browser/renderer_host/render_widget_host_impl.cc
@@ -919,7 +919,7 @@ void RenderWidgetHostImpl::StopHangMonitorTimeout() {
 }
 
 void RenderWidgetHostImpl::EnableFullAccessibilityMode() {
-  SetAccessibilityMode(AccessibilityModeComplete);
+  SetAccessibilityMode(accessibility_mode_ | AccessibilityModeComplete);
 }
 
 void RenderWidgetHostImpl::ForwardMouseEvent(const WebMouseEvent& mouse_event) {
@@ -2098,11 +2098,21 @@ void RenderWidgetHostImpl::SetEditCommandsForNextKeyEvent(
   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));
 }