Initial support for native accessibility in ARC

content/browser/frame_host/render_frame_host_impl.cc

Index: content/browser/frame_host/render_frame_host_impl.cc
diff --git a/content/browser/frame_host/render_frame_host_impl.cc b/content/browser/frame_host/render_frame_host_impl.cc
index 6ddcabd7149de7f32f0ba92fd7f78b25e39b38d8..daa332f67c8c5a1183285aee06d17f2cb45ad382 100644
--- a/content/browser/frame_host/render_frame_host_impl.cc
+++ b/content/browser/frame_host/render_frame_host_impl.cc
@@ -17,7 +17,6 @@
 #include "base/process/kill.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
-#include "content/browser/accessibility/ax_tree_id_registry.h"
 #include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/accessibility/browser_accessibility_state_impl.h"
 #include "content/browser/bluetooth/web_bluetooth_service_impl.h"
@@ -108,6 +107,7 @@
 #include "services/service_manager/public/cpp/connector.h"
 #include "services/service_manager/public/cpp/interface_provider.h"
 #include "ui/accessibility/ax_tree.h"
+#include "ui/accessibility/ax_tree_id_registry.h"
 #include "ui/accessibility/ax_tree_update.h"
 #include "ui/gfx/geometry/quad_f.h"
 #include "url/gurl.h"
@@ -297,10 +297,10 @@ RenderFrameHost* RenderFrameHost::FromAXTreeID(
 
 // static
 RenderFrameHostImpl* RenderFrameHostImpl::FromAXTreeID(
-    AXTreeIDRegistry::AXTreeID ax_tree_id) {
+    ui::AXTreeIDRegistry::AXTreeID ax_tree_id) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  AXTreeIDRegistry::FrameID frame_id =
-      AXTreeIDRegistry::GetInstance()->GetFrameID(ax_tree_id);
+  ui::AXTreeIDRegistry::FrameID frame_id =
+      ui::AXTreeIDRegistry::GetInstance()->GetFrameID(ax_tree_id);
   return RenderFrameHostImpl::FromID(frame_id.first, frame_id.second);
 }
 
@@ -335,7 +335,7 @@ RenderFrameHostImpl::RenderFrameHostImpl(SiteInstance* site_instance,
       nav_entry_id_(0),
       accessibility_reset_token_(0),
       accessibility_reset_count_(0),
-      browser_plugin_embedder_ax_tree_id_(AXTreeIDRegistry::kNoAXTreeID),
+      browser_plugin_embedder_ax_tree_id_(ui::AXTreeIDRegistry::kNoAXTreeID),
       no_create_browser_accessibility_manager_for_testing_(false),
       web_ui_type_(WebUI::kNoWebUI),
       pending_web_ui_type_(WebUI::kNoWebUI),
@@ -456,8 +456,8 @@ int RenderFrameHostImpl::GetRoutingID() {
   return routing_id_;
 }
 
-AXTreeIDRegistry::AXTreeID RenderFrameHostImpl::GetAXTreeID() {
-  return AXTreeIDRegistry::GetInstance()->GetOrCreateAXTreeID(
+ui::AXTreeIDRegistry::AXTreeID RenderFrameHostImpl::GetAXTreeID() {
+  return ui::AXTreeIDRegistry::GetInstance()->GetOrCreateAXTreeID(
       GetProcess()->GetID(), routing_id_);
 }
 
@@ -3233,7 +3233,7 @@ bool RenderFrameHostImpl::CanExecuteJavaScript() {
          (delegate_->GetAsWebContents() == nullptr);
 }
 
-AXTreeIDRegistry::AXTreeID RenderFrameHostImpl::RoutingIDToAXTreeID(
+ui::AXTreeIDRegistry::AXTreeID RenderFrameHostImpl::RoutingIDToAXTreeID(
     int routing_id) {
   RenderFrameHostImpl* rfh = nullptr;
   RenderFrameProxyHost* rfph = RenderFrameProxyHost::FromID(
@@ -3252,23 +3252,22 @@ AXTreeIDRegistry::AXTreeID RenderFrameHostImpl::RoutingIDToAXTreeID(
         rfh->frame_tree_node()->frame_tree() !=
             frame_tree_node()->frame_tree()) {
       AccessibilityFatalError();
-      return AXTreeIDRegistry::kNoAXTreeID;
+      return ui::AXTreeIDRegistry::kNoAXTreeID;
     }
   }
 
   if (!rfh)
-    return AXTreeIDRegistry::kNoAXTreeID;
+    return ui::AXTreeIDRegistry::kNoAXTreeID;
 
   return rfh->GetAXTreeID();
 }
 
-AXTreeIDRegistry::AXTreeID
-RenderFrameHostImpl::BrowserPluginInstanceIDToAXTreeID(
-    int instance_id) {
+ui::AXTreeIDRegistry::AXTreeID
+RenderFrameHostImpl::BrowserPluginInstanceIDToAXTreeID(int instance_id) {
   RenderFrameHostImpl* guest = static_cast<RenderFrameHostImpl*>(
       delegate()->GetGuestByInstanceID(this, instance_id));
   if (!guest)
-    return AXTreeIDRegistry::kNoAXTreeID;
+    return ui::AXTreeIDRegistry::kNoAXTreeID;
 
   // Create a mapping from the guest to its embedder's AX Tree ID, and
   // explicitly update the guest to propagate that mapping immediately.
@@ -3319,7 +3318,7 @@ void RenderFrameHostImpl::AXContentTreeDataToAXTreeData(
   if (src.parent_routing_id != -1)
     dst->parent_tree_id = RoutingIDToAXTreeID(src.parent_routing_id);
 
-  if (browser_plugin_embedder_ax_tree_id_ != AXTreeIDRegistry::kNoAXTreeID)
+  if (browser_plugin_embedder_ax_tree_id_ != ui::AXTreeIDRegistry::kNoAXTreeID)
     dst->parent_tree_id = browser_plugin_embedder_ax_tree_id_;
 
   // If this is not the root frame tree node, we're done.