Update json_schema_compiler to handle the Automation extension API

chrome/renderer/extensions/automation_internal_custom_bindings.cc

 // Copyright 2014 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 "chrome/renderer/extensions/automation_internal_custom_bindings.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
@@ skipping 13 matching lines @@
 #include "extensions/renderer/script_context.h"
 #include "ipc/message_filter.h"
 #include "ui/accessibility/ax_enums.h"
 #include "ui/accessibility/ax_node.h"
 #include "ui/gfx/geometry/rect_conversions.h"
 
 namespace extensions {
 
 namespace {
 
-// Helper to convert an enum to a V8 object.
-template <typename EnumType>
-v8::Local<v8::Object> ToEnumObject(v8::Isolate* isolate,
-                                   EnumType start_after,
-                                   EnumType end_at) {
-  v8::Local<v8::Object> object = v8::Object::New(isolate);
-  for (int i = start_after + 1; i <= end_at; ++i) {
-    v8::Local<v8::String> value = v8::String::NewFromUtf8(
-        isolate, ui::ToString(static_cast<EnumType>(i)).c_str());
-    object->Set(value, value);
-  }
-  return object;
-}
-
 void ThrowInvalidArgumentsException(
     AutomationInternalCustomBindings* automation_bindings) {
   v8::Isolate* isolate = automation_bindings->GetIsolate();
   automation_bindings->GetIsolate()->ThrowException(
       v8::String::NewFromUtf8(
           isolate,
           "Invalid arguments to AutomationInternalCustomBindings function",
           v8::NewStringType::kNormal)
           .ToLocalChecked());
 
@@ skipping 652 matching lines @@
   RouteNodeIDPlusAttributeFunction(
       "GetHtmlAttribute",
       [](v8::Isolate* isolate, v8::ReturnValue<v8::Value> result,
          ui::AXNode* node, const std::string& attribute_name) {
         std::string attr_value;
         if (!node->data().GetHtmlAttribute(attribute_name.c_str(), &attr_value))
           return;
 
         result.Set(v8::String::NewFromUtf8(isolate, attr_value.c_str()));
       });
+  RouteNodeIDFunction(
+      "GetNameFrom", [](v8::Isolate* isolate, v8::ReturnValue<v8::Value> result,
+                        TreeCache* cache, ui::AXNode* node) {
+        ui::AXNameFrom name_from = static_cast<ui::AXNameFrom>(
+            node->data().GetIntAttribute(ui::AX_ATTR_NAME_FROM));
+        std::string name_from_str = ui::ToString(name_from);
+        result.Set(v8::String::NewFromUtf8(isolate, name_from_str.c_str()));
+      });
 }
 
 AutomationInternalCustomBindings::~AutomationInternalCustomBindings() {}
 
 void AutomationInternalCustomBindings::Invalidate() {
   ObjectBackedNativeHandler::Invalidate();
 
   if (message_filter_)
     message_filter_->Detach();
 
@@ skipping 44 matching lines @@
 void AutomationInternalCustomBindings::StartCachingAccessibilityTrees(
     const v8::FunctionCallbackInfo<v8::Value>& args) {
   if (!message_filter_)
     message_filter_ = new AutomationMessageFilter(this);
 }
 
 void AutomationInternalCustomBindings::GetSchemaAdditions(
     const v8::FunctionCallbackInfo<v8::Value>& args) {
   v8::Local<v8::Object> additions = v8::Object::New(GetIsolate());
 
-  additions->Set(
-      v8::String::NewFromUtf8(GetIsolate(), "EventType"),
-      ToEnumObject(GetIsolate(), ui::AX_EVENT_NONE, ui::AX_EVENT_LAST));
-
-  additions->Set(
-      v8::String::NewFromUtf8(GetIsolate(), "RoleType"),
-      ToEnumObject(GetIsolate(), ui::AX_ROLE_NONE, ui::AX_ROLE_LAST));
-
-  additions->Set(
-      v8::String::NewFromUtf8(GetIsolate(), "StateType"),
-      ToEnumObject(GetIsolate(), ui::AX_STATE_NONE, ui::AX_STATE_LAST));
-
-  additions->Set(
-      v8::String::NewFromUtf8(GetIsolate(), "TreeChangeType"),
-      ToEnumObject(GetIsolate(), ui::AX_MUTATION_NONE, ui::AX_MUTATION_LAST));
-
   v8::Local<v8::Object> name_from_type(v8::Object::New(GetIsolate()));
   for (int i = ui::AX_NAME_FROM_NONE; i <= ui::AX_NAME_FROM_LAST; ++i) {
     name_from_type->Set(
         v8::Integer::New(GetIsolate(), i),
         CreateV8String(GetIsolate(),
                        ui::ToString(static_cast<ui::AXNameFrom>(i))));
   }
 
   additions->Set(v8::String::NewFromUtf8(GetIsolate(), "NameFromType"),
                  name_from_type);
@@ skipping 605 matching lines @@
   v8::Local<v8::Array> args(v8::Array::New(GetIsolate(), 2U));
   args->Set(0U, v8::Integer::New(GetIsolate(), tree_id));
   v8::Local<v8::Array> nodes(v8::Array::New(GetIsolate(), ids.size()));
   args->Set(1U, nodes);
   for (size_t i = 0; i < ids.size(); ++i)
     nodes->Set(i, v8::Integer::New(GetIsolate(), ids[i]));
   context()->DispatchEvent("automationInternal.onNodesRemoved", args);
 }
 
 }  // namespace extensions