Cleanup: merging three different constants.h into a single header.

remoting/base/constants.h

 // 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.
 
 #ifndef REMOTING_BASE_CONSTANTS_H_
 #define REMOTING_BASE_CONSTANTS_H_
 
+#include "base/compiler_specific.h"
+
+// Warning: If you modify any HOST_PLUGIN_XXX macro in this file, make sure to
+// modify the following files too:
+//   - remoting/remoting.gyp
+//   - remoting/chromium_branding
+//   - remoting/google_chrome_branding
+//   - remoting/host/plugin/host_plugin.ver
+
+#define HOST_PLUGIN_DESCRIPTION \
+    "Allow another user to access your computer securely over the Internet."
+#define HOST_PLUGIN_MIME_TYPE "application/vnd.chromium.remoting-host"
+
+#if defined(GOOGLE_CHROME_BUILD)
+#define HOST_PLUGIN_NAME "Chrome Remote Desktop Host"
+#else
+#define HOST_PLUGIN_NAME "Chromoting Host"
+#endif  // defined(GOOGLE_CHROME_BUILD)
+
 namespace remoting {
 
 extern const char kChromotingBotJid[];
 
 // Service name used for authentication.
 // TODO(ajwong): Remove this once we've killed off XmppToken usage.
 // BUG:83897
 extern const char kChromotingTokenDefaultServiceName[];
 
 // Namespace used for chromoting XMPP stanzas.
 extern const char kChromotingXmlNamespace[];
 
 // Channel names.
 extern const char kAudioChannelName[];
 extern const char kControlChannelName[];
 extern const char kEventChannelName[];
 extern const char kVideoChannelName[];
 extern const char kVideoRtpChannelName[];
 extern const char kVideoRtcpChannelName[];
 
 // MIME types for the clipboard.
 extern const char kMimeTypeTextUtf8[];
 
+// Known host exit codes.
+// Please keep this enum in sync with:
+// remoting/host/installer/mac/PrivilegedHelperTools/
+// org.chromium.chromoting.me2me.sh
+enum HostExitCodes {
+  kSuccessExitCode = 0,
+  kReservedForX11ExitCode = 1,
+  kInvalidHostConfigurationExitCode = 2,
+  kInvalidHostIdExitCode = 3,
+  kInvalidOauthCredentialsExitCode = 4,
+
+  // The range of the exit codes that should be interpreted as a permanent error
+  // condition.
+  kMinPermanentErrorExitCode = kInvalidHostConfigurationExitCode,
+  kMaxPermanentErrorExitCode = kInvalidOauthCredentialsExitCode
+};
+
+#if defined(OS_WIN)
+// The Omaha Appid of the host.
+extern const wchar_t kHostOmahaAppid[];
+#endif  // defined(OS_WIN)
+
 }  // namespace remoting
 
 #endif  // REMOTING_BASE_CONSTANTS_H_