Add named testing interface

chrome/browser/automation/automation_provider.cc

Index: chrome/browser/automation/automation_provider.cc
===================================================================
--- chrome/browser/automation/automation_provider.cc	(revision 67218)
+++ chrome/browser/automation/automation_provider.cc	(working copy)
@@ -113,7 +113,9 @@
 
 AutomationProvider::AutomationProvider(Profile* profile)
     : profile_(profile),
-      reply_message_(NULL) {
+      reply_message_(NULL),
+      is_connected_(false),
+      initial_loads_complete_(false) {
   TRACE_EVENT_BEGIN("AutomationProvider::AutomationProvider", 0, "");
 
   browser_tracker_.reset(new AutomationBrowserTracker(this));
@@ -149,23 +151,38 @@
   g_browser_process->ReleaseModule();
 }
 
-void AutomationProvider::ConnectToChannel(const std::string& channel_id) {
-  TRACE_EVENT_BEGIN("AutomationProvider::ConnectToChannel", 0, "");
+bool AutomationProvider::InitializeChannel(const std::string& channel_id) {
+  TRACE_EVENT_BEGIN("AutomationProvider::InitializeChannel", 0, "");
 
+  std::string effective_channel_id = channel_id;
+
+  // If the channel_id starts with kNamedInterfacePrefix, create a named IPC
+  // server and listen on it, else connect as client to an existing IPC server
+  bool use_named_interface =
+      channel_id.find(automation::kNamedInterfacePrefix) == 0;
+  if (use_named_interface) {
+    effective_channel_id = channel_id.substr(
+        strlen(automation::kNamedInterfacePrefix));
+    if (effective_channel_id.length() <= 0)
+      return false;
+  }
+
   if (!automation_resource_message_filter_.get()) {
     automation_resource_message_filter_ = new AutomationResourceMessageFilter;
   }
 
-  channel_.reset(
-      new IPC::SyncChannel(channel_id, IPC::Channel::MODE_CLIENT, this,
-                           automation_resource_message_filter_,
-                           g_browser_process->io_thread()->message_loop(),
-                           true, g_browser_process->shutdown_event()));
+  channel_.reset(new IPC::SyncChannel(
+      effective_channel_id,
+      use_named_interface ? IPC::Channel::MODE_NAMED_SERVER
+                          : IPC::Channel::MODE_CLIENT,
+      this,
+      automation_resource_message_filter_,
+      g_browser_process->io_thread()->message_loop(),
+      true, g_browser_process->shutdown_event()));
 
-  // Send a hello message with our current automation protocol version.
-  channel_->Send(new AutomationMsg_Hello(0, GetProtocolVersion().c_str()));
+  TRACE_EVENT_END("AutomationProvider::InitializeChannel", 0, "");
 
-  TRACE_EVENT_END("AutomationProvider::ConnectToChannel", 0, "");
+  return true;
 }
 
 std::string AutomationProvider::GetProtocolVersion() {
@@ -174,13 +191,18 @@
 }
 
 void AutomationProvider::SetExpectedTabCount(size_t expected_tabs) {
-  if (expected_tabs == 0) {
-    Send(new AutomationMsg_InitialLoadsComplete(0));
-  } else {
+  if (expected_tabs == 0)
+    OnInitialLoadsComplete();
+  else
     initial_load_observer_.reset(new InitialLoadObserver(expected_tabs, this));
-  }
 }
 
+void AutomationProvider::OnInitialLoadsComplete() {
+  initial_loads_complete_ = true;
+  if (is_connected_)
+    Send(new AutomationMsg_InitialLoadsComplete(0));
+}
+
 NotificationObserver* AutomationProvider::AddNavigationStatusListener(
     NavigationController* tab, IPC::Message* reply_message,
     int number_of_navigations, bool include_current_navigation) {
@@ -327,6 +349,17 @@
   return NULL;
 }
 
+void AutomationProvider::OnChannelConnected(int pid) {
+  is_connected_ = true;
+  LOG(INFO) << "Testing channel connected, sending hello message";
+
+  // Send a hello message with our current automation protocol version.
+  chrome::VersionInfo version_info;
+  channel_->Send(new AutomationMsg_Hello(0, version_info.Version()));
+  if (initial_loads_complete_)
+    Send(new AutomationMsg_InitialLoadsComplete(0));
+}
+
 void AutomationProvider::OnMessageReceived(const IPC::Message& message) {
   IPC_BEGIN_MESSAGE_MAP(AutomationProvider, message)
 #if !defined(OS_MACOSX)