Differential updates for components.

chrome/installer/util/util_constants.h

Index: chrome/installer/util/util_constants.h
===================================================================
--- chrome/installer/util/util_constants.h	(revision 201835)
+++ chrome/installer/util/util_constants.h	(working copy)
@@ -80,12 +80,14 @@
   INVALID_STATE_FOR_OPTION,    // 47. A non-install option was called with an
                                // invalid installer state.
   WAIT_FOR_EXISTING_FAILED,    // 48. OS error waiting for existing setup.exe.
+  PATCH_INVALID_ARGUMENTS,     // 49. The arguments of --patch were missing or
+                               // they were invalid for any reason.
   // Friendly reminder: note the COMPILE_ASSERT below.
 };
 
 
 // Existing InstallStatus values must not change.  Always add to the end.
-COMPILE_ASSERT(installer::WAIT_FOR_EXISTING_FAILED == 48,
+COMPILE_ASSERT(installer::PATCH_INVALID_ARGUMENTS == 49,
                dont_change_enum);
 
 // The type of an update archive.
@@ -128,6 +130,7 @@
                never_ever_ever_change_InstallerStage_values_bang);
 
 namespace switches {
+
 extern const char kAutoLaunchChrome[];
 extern const char kChrome[];
 extern const char kChromeAppHostDeprecated[];  // TODO(huangs): Remove by M27.
@@ -177,6 +180,13 @@
 extern const char kSystemLevelToast[];
 extern const char kExperimentGroup[];
 extern const char kToastResultsKey[];
+extern const char kPatch[];
+extern const char kCourgette[];
+extern const char kBsdiff[];
+extern const char kInputFile[];
+extern const char kPatchFile[];
+extern const char kOutputFile[];
+
 }  // namespace switches
 
 extern const wchar_t kActiveSetupExe[];