Move declarative API into events API

chrome/renderer/extensions/api_definitions_natives.cc

Index: chrome/renderer/extensions/api_definitions_natives.cc
diff --git a/chrome/renderer/extensions/api_definitions_natives.cc b/chrome/renderer/extensions/api_definitions_natives.cc
index bc8b4b0f9ea0a3642a8358184f5732628f505ab9..2bcbc28a6bb9c5d592161b04cb6e0e27025e6ffc 100644
--- a/chrome/renderer/extensions/api_definitions_natives.cc
+++ b/chrome/renderer/extensions/api_definitions_natives.cc
@@ -4,6 +4,12 @@
 
 #include "chrome/renderer/extensions/api_definitions_natives.h"
 
+#include <algorithm>
+
+namespace {
+const char kInvalidExtensionNamespace[] = "Invalid extension namespace";
+}
+
 namespace extensions {
 
 ApiDefinitionsNatives::ApiDefinitionsNatives(
@@ -19,8 +25,29 @@ v8::Handle<v8::Value> ApiDefinitionsNatives::GetExtensionAPIDefinition(
   ChromeV8Context* v8_context =
       extension_dispatcher()->v8_context_set().GetCurrent();
   CHECK(v8_context);
+
+  std::set<std::string> available_apis(v8_context->GetAvailableExtensionAPIs());
+  if (args.Length() == 0) {
+    return extension_dispatcher()->v8_schema_registry()->GetSchemas(
+        available_apis);
+  }
+  // Build set of APIs requested by the user.
+  std::set<std::string> requested_apis;
+  for (int i = 0; i < args.Length(); ++i) {
+    if (!args[i]->IsString()) {
+      v8::ThrowException(v8::String::New(kInvalidExtensionNamespace));
+      return v8::Undefined();
+    }
+    requested_apis.insert(*v8::String::Utf8Value(args[i]->ToString()));
+  }
+
+  // Filter those that are unknown.
+  std::set<std::string> apis_to_check;
+  std::set_intersection(requested_apis.begin(), requested_apis.end(),
+                        available_apis.begin(), available_apis.end(),
+                        std::inserter(apis_to_check, apis_to_check.begin()));
   return extension_dispatcher()->v8_schema_registry()->GetSchemas(
-      v8_context->GetAvailableExtensionAPIs());
+      apis_to_check);
 }
 
 }  // namespace extensions