Introduce a stable set of errors for inline install

chrome/renderer/extensions/webstore_bindings.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/webstore_bindings.h"
 
 #include "base/strings/string_util.h"
 #include "chrome/common/extensions/api/webstore/webstore_api_constants.h"
 #include "chrome/common/extensions/chrome_extension_messages.h"
 #include "chrome/common/extensions/extension_constants.h"
@@ skipping 184 matching lines @@
     IPC_MESSAGE_HANDLER(ExtensionMsg_InlineInstallDownloadProgress,
                         OnInlineInstallDownloadProgress)
     IPC_MESSAGE_UNHANDLED(CHECK(false) << "Unhandled IPC message")
   IPC_END_MESSAGE_MAP()
   return true;
 }
 
 void WebstoreBindings::OnInlineWebstoreInstallResponse(
     int install_id,
     bool success,
-    const std::string& error) {
+    const std::string& error,
+    webstore_install::Result result) {
   v8::Isolate* isolate = context()->isolate();
   v8::HandleScope handle_scope(isolate);
   v8::Context::Scope context_scope(context()->v8_context());
   v8::Handle<v8::Value> argv[] = {
     v8::Integer::New(isolate, install_id),
     v8::Boolean::New(isolate, success),
-    v8::String::NewFromUtf8(isolate, error.c_str())
+    v8::String::NewFromUtf8(isolate, error.c_str()),
+    v8::String::NewFromUtf8(
+        isolate, api::webstore::kInstallResultCodes[static_cast<int>(result)])
   };
   context()->module_system()->CallModuleMethod(
       "webstore", "onInstallResponse", arraysize(argv), argv);
 }
 
 void WebstoreBindings::OnInlineInstallStageChanged(int stage) {
   const char* stage_string = NULL;
   api::webstore::InstallStage install_stage =
       static_cast<api::webstore::InstallStage>(stage);
   switch (install_stage) {
@@ skipping 17 matching lines @@
   v8::Isolate* isolate = context()->isolate();
   v8::HandleScope handle_scope(isolate);
   v8::Context::Scope context_scope(context()->v8_context());
   v8::Handle<v8::Value> argv[] = {
       v8::Number::New(isolate, percent_downloaded / 100.0)};
   context()->module_system()->CallModuleMethod(
       "webstore", "onDownloadProgress", arraysize(argv), argv);
 }
 
 }  // namespace extensions