Add more fine-grained accessibility modes.

chrome/browser/extensions/api/automation_internal/automation_internal_api.cc

Index: chrome/browser/extensions/api/automation_internal/automation_internal_api.cc
diff --git a/chrome/browser/extensions/api/automation_internal/automation_internal_api.cc b/chrome/browser/extensions/api/automation_internal/automation_internal_api.cc
index f564ab7a490284cac960a3940235dea34d1b3639..35936b5d918b786e83fc81b0e90eac6486f6cb5a 100644
--- a/chrome/browser/extensions/api/automation_internal/automation_internal_api.cc
+++ b/chrome/browser/extensions/api/automation_internal/automation_internal_api.cc
@@ -271,7 +271,7 @@ AutomationInternalEnableTabFunction::Run() {
   }
 
   AutomationWebContentsObserver::CreateForWebContents(contents);
-  contents->EnableTreeOnlyAccessibilityMode();
+  contents->EnableWebContentsOnlyAccessibilityMode();
 
   int ax_tree_id = rfh->GetAXTreeID();
 
@@ -305,7 +305,7 @@ ExtensionFunction::ResponseAction AutomationInternalEnableFrameFunction::Run() {
   // Only call this if this is the root of a frame tree, to avoid resetting
   // the accessibility state multiple times.
   if (!rfh->GetParent())
-    contents->EnableTreeOnlyAccessibilityMode();
+    contents->EnableWebContentsOnlyAccessibilityMode();
 
   return RespondNow(NoArguments());
 }