[Chromoting] Update uninstaller to facilitate testing automation.

remoting/host/plugin/daemon_controller_mac.cc

Index: remoting/host/plugin/daemon_controller_mac.cc
===================================================================
--- remoting/host/plugin/daemon_controller_mac.cc	(revision 147494)
+++ remoting/host/plugin/daemon_controller_mac.cc	(working copy)
@@ -37,12 +37,6 @@
 // Therefore, we define the needed constants here.
 const int NSLibraryDirectory = 5;
 
-// Use a single configuration file, instead of separate "auth" and "host" files.
-// This is because the SetConfigAndStart() API only provides a single
-// dictionary, and splitting this into two dictionaries would require
-// knowledge of which keys belong in which files.
-const char kHostConfigFile[] = kHostConfigDir kServiceName ".json";
-
 class DaemonControllerMac : public remoting::DaemonController {
  public:
   DaemonControllerMac();
@@ -104,12 +98,12 @@
   CFNotificationCenterRemoveObserver(
       CFNotificationCenterGetDistributedCenter(),
       this,
-      CFSTR(kUpdateSucceededNotificationName),
+      CFSTR(UPDATE_SUCCEEDED_NOTIFICATION_NAME),
       NULL);
   CFNotificationCenterRemoveObserver(
       CFNotificationCenterGetDistributedCenter(),
       this,
-      CFSTR(kUpdateFailedNotificationName),
+      CFSTR(UPDATE_FAILED_NOTIFICATION_NAME),
       NULL);
 }
 
@@ -180,7 +174,7 @@
 }
 
 void DaemonControllerMac::DoGetConfig(const GetConfigCallback& callback) {
-  FilePath config_path(kHostConfigFile);
+  FilePath config_path(kHostConfigFilePath);
   JsonHostConfig host_config(config_path);
   scoped_ptr<base::DictionaryValue> config;
 
@@ -198,7 +192,7 @@
 
 void DaemonControllerMac::DoGetVersion(const GetVersionCallback& callback) {
   std::string version = "";
-  std::string command_line = remoting::kHostHelperTool;
+  std::string command_line = remoting::kHostHelperScriptPath;
   command_line += " --host-version";
   FILE* script_output = popen(command_line.c_str(), "r");
   if (script_output) {
@@ -231,7 +225,7 @@
 void DaemonControllerMac::DoUpdateConfig(
     scoped_ptr<base::DictionaryValue> config,
     const CompletionCallback& done_callback) {
-  FilePath config_file_path(kHostConfigFile);
+  FilePath config_file_path(kHostConfigFilePath);
   JsonHostConfig config_file(config_file_path);
   if (!config_file.Read()) {
     done_callback.Run(RESULT_FAILED);
@@ -268,7 +262,7 @@
       LOG(ERROR) << "Failed to get filename for saving configuration data.";
       return false;
     }
-    config_path = config_path.Append(kServiceName ".json");
+    config_path = config_path.Append(kHostConfigFileName);
 
     int written = file_util::WriteFile(config_path, config_data.data(),
                                        config_data.size());
@@ -286,8 +280,7 @@
     LOG(ERROR) << "Failed to get directory for local preference panes.";
     return false;
   }
-  pane_path = pane_path.Append("PreferencePanes")
-      .Append(kServiceName ".prefPane");
+  pane_path = pane_path.Append("PreferencePanes").Append(kPrefPaneFileName);
 
   FSRef pane_path_ref;
   if (!base::mac::FSRefFromPath(pane_path.value(), &pane_path_ref)) {
@@ -303,7 +296,10 @@
 
   CFNotificationCenterRef center =
       CFNotificationCenterGetDistributedCenter();
-  CFNotificationCenterPostNotification(center, CFSTR(kServiceName), NULL, NULL,
+  base::mac::ScopedCFTypeRef<CFStringRef> service_name(
+        CFStringCreateWithCString(kCFAllocatorDefault, remoting::kServiceName,
+                                  kCFStringEncodingUTF8));
+  CFNotificationCenterPostNotification(center, service_name, NULL, NULL,
                                        TRUE);
   return true;
 }
@@ -328,24 +324,24 @@
       CFNotificationCenterGetDistributedCenter(),
       this,
       &DaemonControllerMac::PreferencePaneCallback,
-      CFSTR(kUpdateSucceededNotificationName),
+      CFSTR(UPDATE_SUCCEEDED_NOTIFICATION_NAME),
       NULL,
       CFNotificationSuspensionBehaviorDeliverImmediately);
   CFNotificationCenterAddObserver(
       CFNotificationCenterGetDistributedCenter(),
       this,
       &DaemonControllerMac::PreferencePaneCallback,
-      CFSTR(kUpdateFailedNotificationName),
+      CFSTR(UPDATE_FAILED_NOTIFICATION_NAME),
       NULL,
       CFNotificationSuspensionBehaviorDeliverImmediately);
 }
 
 void DaemonControllerMac::PreferencePaneCallbackDelegate(CFStringRef name) {
   AsyncResult result = RESULT_FAILED;
-  if (CFStringCompare(name, CFSTR(kUpdateSucceededNotificationName), 0) ==
+  if (CFStringCompare(name, CFSTR(UPDATE_SUCCEEDED_NOTIFICATION_NAME), 0) ==
           kCFCompareEqualTo) {
     result = RESULT_OK;
-  } else if (CFStringCompare(name, CFSTR(kUpdateFailedNotificationName), 0) ==
+  } else if (CFStringCompare(name, CFSTR(UPDATE_FAILED_NOTIFICATION_NAME), 0) ==
           kCFCompareEqualTo) {
     result = RESULT_FAILED;
   } else {