Add support for writing unit tests for Mojo-backed apps/extensions APIs.

extensions/renderer/dispatcher.cc

Index: extensions/renderer/dispatcher.cc
diff --git a/extensions/renderer/dispatcher.cc b/extensions/renderer/dispatcher.cc
index f8a6ccdffb484749583ac75d99f0565def007c3f..bb319edc2f0640655132fa87502e105a00e7060c 100644
--- a/extensions/renderer/dispatcher.cc
+++ b/extensions/renderer/dispatcher.cc
@@ -75,7 +75,9 @@
 #include "extensions/renderer/user_gestures_native_handler.h"
 #include "extensions/renderer/utils_native_handler.h"
 #include "extensions/renderer/v8_context_native_handler.h"
+#include "grit/content_resources.h"
 #include "grit/extensions_renderer_resources.h"
+#include "mojo/public/js/bindings/constants.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebURLRequest.h"
 #include "third_party/WebKit/public/web/WebCustomElement.h"
@@ -463,6 +465,64 @@ void Dispatcher::ClearPortData(int port_id) {
   port_to_tab_id_map_.erase(port_id);
 }
 
+// static
+std::vector<std::pair<std::string, int> > Dispatcher::GetJsResources() {
+  std::vector<std::pair<std::string, int> > resources;
+
+  // Libraries.
+  resources.push_back(std::make_pair("entryIdManager", IDR_ENTRY_ID_MANAGER));
+  resources.push_back(std::make_pair(kEventBindings, IDR_EVENT_BINDINGS_JS));
+  resources.push_back(std::make_pair("imageUtil", IDR_IMAGE_UTIL_JS));
+  resources.push_back(std::make_pair("json_schema", IDR_JSON_SCHEMA_JS));
+  resources.push_back(std::make_pair("lastError", IDR_LAST_ERROR_JS));
+  resources.push_back(std::make_pair("messaging", IDR_MESSAGING_JS));
+  resources.push_back(
+      std::make_pair("messaging_utils", IDR_MESSAGING_UTILS_JS));
+  resources.push_back(std::make_pair(kSchemaUtils, IDR_SCHEMA_UTILS_JS));
+  resources.push_back(std::make_pair("sendRequest", IDR_SEND_REQUEST_JS));
+  resources.push_back(std::make_pair("setIcon", IDR_SET_ICON_JS));
+  resources.push_back(std::make_pair("test", IDR_TEST_CUSTOM_BINDINGS_JS));
+  resources.push_back(
+      std::make_pair("test_environment_specific_bindings",
+                     IDR_BROWSER_TEST_ENVIRONMENT_SPECIFIC_BINDINGS_JS));
+  resources.push_back(std::make_pair("uncaught_exception_handler",
+                                     IDR_UNCAUGHT_EXCEPTION_HANDLER_JS));
+  resources.push_back(std::make_pair("unload_event", IDR_UNLOAD_EVENT_JS));
+  resources.push_back(std::make_pair("utils", IDR_UTILS_JS));
+  resources.push_back(
+      std::make_pair(mojo::kCodecModuleName, IDR_MOJO_CODEC_JS));

[not at google - send to devlin, 2014/07/25 00:17:57]

this mojo stuff is new. will it be needed outside a testing environment?

[Sam McNally, 2014/07/25 07:38:59]

They will eventually, but not yet.

+  resources.push_back(
+      std::make_pair(mojo::kConnectionModuleName, IDR_MOJO_CONNECTION_JS));
+  resources.push_back(
+      std::make_pair(mojo::kConnectorModuleName, IDR_MOJO_CONNECTOR_JS));
+  resources.push_back(
+      std::make_pair(mojo::kRouterModuleName, IDR_MOJO_ROUTER_JS));
+  resources.push_back(
+      std::make_pair(mojo::kUnicodeModuleName, IDR_MOJO_UNICODE_JS));
+
+  // Custom bindings.
+  resources.push_back(
+      std::make_pair("app.runtime", IDR_APP_RUNTIME_CUSTOM_BINDINGS_JS));
+  resources.push_back(
+      std::make_pair("contextMenus", IDR_CONTEXT_MENUS_CUSTOM_BINDINGS_JS));
+  resources.push_back(
+      std::make_pair("extension", IDR_EXTENSION_CUSTOM_BINDINGS_JS));
+  resources.push_back(std::make_pair("i18n", IDR_I18N_CUSTOM_BINDINGS_JS));
+  resources.push_back(
+      std::make_pair("permissions", IDR_PERMISSIONS_CUSTOM_BINDINGS_JS));
+  resources.push_back(
+      std::make_pair("runtime", IDR_RUNTIME_CUSTOM_BINDINGS_JS));
+  resources.push_back(std::make_pair("binding", IDR_BINDING_JS));
+
+  // Custom types sources.
+  resources.push_back(std::make_pair("StorageArea", IDR_STORAGE_AREA_JS));
+
+  // Platform app sources that are not API-specific..
+  resources.push_back(std::make_pair("platformApp", IDR_PLATFORM_APP_JS));
+
+  return resources;
+}
+
 bool Dispatcher::OnControlMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(Dispatcher, message)
@@ -1058,39 +1118,13 @@ void Dispatcher::RegisterNativeHandlers(ModuleSystem* module_system,
 }
 
 void Dispatcher::PopulateSourceMap() {
-  // Libraries.
-  source_map_.RegisterSource("entryIdManager", IDR_ENTRY_ID_MANAGER);
-  source_map_.RegisterSource(kEventBindings, IDR_EVENT_BINDINGS_JS);
-  source_map_.RegisterSource("imageUtil", IDR_IMAGE_UTIL_JS);
-  source_map_.RegisterSource("json_schema", IDR_JSON_SCHEMA_JS);
-  source_map_.RegisterSource("lastError", IDR_LAST_ERROR_JS);
-  source_map_.RegisterSource("messaging", IDR_MESSAGING_JS);
-  source_map_.RegisterSource("messaging_utils", IDR_MESSAGING_UTILS_JS);
-  source_map_.RegisterSource(kSchemaUtils, IDR_SCHEMA_UTILS_JS);
-  source_map_.RegisterSource("sendRequest", IDR_SEND_REQUEST_JS);
-  source_map_.RegisterSource("setIcon", IDR_SET_ICON_JS);
-  source_map_.RegisterSource("test", IDR_TEST_CUSTOM_BINDINGS_JS);
-  source_map_.RegisterSource("uncaught_exception_handler",
-                             IDR_UNCAUGHT_EXCEPTION_HANDLER_JS);
-  source_map_.RegisterSource("unload_event", IDR_UNLOAD_EVENT_JS);
-  source_map_.RegisterSource("utils", IDR_UTILS_JS);
-
-  // Custom bindings.
-  source_map_.RegisterSource("app.runtime", IDR_APP_RUNTIME_CUSTOM_BINDINGS_JS);
-  source_map_.RegisterSource("contextMenus",
-                             IDR_CONTEXT_MENUS_CUSTOM_BINDINGS_JS);
-  source_map_.RegisterSource("extension", IDR_EXTENSION_CUSTOM_BINDINGS_JS);
-  source_map_.RegisterSource("i18n", IDR_I18N_CUSTOM_BINDINGS_JS);
-  source_map_.RegisterSource("permissions", IDR_PERMISSIONS_CUSTOM_BINDINGS_JS);
-  source_map_.RegisterSource("runtime", IDR_RUNTIME_CUSTOM_BINDINGS_JS);
-  source_map_.RegisterSource("binding", IDR_BINDING_JS);
-
-  // Custom types sources.
-  source_map_.RegisterSource("StorageArea", IDR_STORAGE_AREA_JS);
-
-  // Platform app sources that are not API-specific..
-  source_map_.RegisterSource("platformApp", IDR_PLATFORM_APP_JS);
-
+  const std::vector<std::pair<std::string, int> > resources = GetJsResources();
+  for (std::vector<std::pair<std::string, int> >::const_iterator resource =
+           resources.begin();
+       resource != resources.end();
+       ++resource) {
+    source_map_.RegisterSource(resource->first, resource->second);
+  }
   delegate_->PopulateSourceMap(&source_map_);
 }