Lazily load API schemas from resource files and convert all APIs to features

chrome/renderer/extensions/v8_schema_registry.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 "chrome/renderer/extensions/v8_schema_registry.h"
 
 #include "base/logging.h"
 #include "base/values.h"
 #include "chrome/common/extensions/api/extension_api.h"
 #include "chrome/renderer/extensions/chrome_v8_context.h"
@@ skipping 42 matching lines @@
   scoped_ptr<ChromeV8Context> context(new ChromeV8Context(
       GetOrCreateContext(v8::Isolate::GetCurrent()),
       NULL,  // no frame
       NULL,  // no extension
       Feature::UNSPECIFIED_CONTEXT));
   return scoped_ptr<NativeHandler>(
       new SchemaRegistryNativeHandler(this, context.Pass()));
 }
 
 v8::Handle<v8::Array> V8SchemaRegistry::GetSchemas(
-    const std::set<std::string>& apis) {
+    const std::vector<std::string>& apis) {
   v8::Isolate* isolate = v8::Isolate::GetCurrent();
   v8::HandleScope handle_scope(isolate);
   v8::Context::Scope context_scope(GetOrCreateContext(isolate));
 
   v8::Handle<v8::Array> v8_apis(v8::Array::New(apis.size()));
   size_t api_index = 0;
-  for (std::set<std::string>::const_iterator i = apis.begin(); i != apis.end();
-      ++i) {
+  for (std::vector<std::string>::const_iterator i = apis.begin();
+       i != apis.end(); ++i) {
     v8_apis->Set(api_index++, GetSchema(*i));
   }
   return handle_scope.Close(v8_apis);
 }
 
 v8::Handle<v8::Object> V8SchemaRegistry::GetSchema(const std::string& api) {
 
   SchemaCache::iterator maybe_schema = schema_cache_.find(api);
   if (maybe_schema != schema_cache_.end())
     return maybe_schema->second.newLocal(v8::Isolate::GetCurrent());
@@ skipping 24 matching lines @@
   // when we have a HandleScope.
   if (context_.get().IsEmpty()) {
     v8::Handle<v8::Context> context = v8::Context::New(isolate);
     context_.reset(context);
     return context;
   }
   return v8::Local<v8::Context>::New(isolate, context_.get());
 }
 
 }  // namespace extensions