Create VisualElementsManifest.xml from template -- install VisualElements in the version directory

chrome/installer/setup/install.h

Index: chrome/installer/setup/install.h
diff --git a/chrome/installer/setup/install.h b/chrome/installer/setup/install.h
index 370c51e46053630e40da6a52718d530d760139e7..5305f55bfa32982327eb22e3baf59f5640fe647a 100644
--- a/chrome/installer/setup/install.h
+++ b/chrome/installer/setup/install.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 //
@@ -23,6 +23,17 @@ class InstallationState;
 class InstallerState;
 class MasterPreferences;
 
+// Escape |att_value| as per the XML AttValue production
+// (http://www.w3.org/TR/2008/REC-xml-20081126/#NT-AttValue) for a value in
+// single quotes.
+void EscapeXmlAttributeValueInSingleQuotes(string16* att_value);
+
+// Creates VisualElementsManifest.xml beside chrome.exe in |src_path| if
+// |src_path|\VisualElements exists.
+// Returns true unless the manifest is supposed to be created, but fails to be.
+bool CreateVisualElementsManifest(const FilePath& src_path,
+                                  const Version& version);
+
 // This function installs or updates a new version of Chrome. It returns
 // install status (failed, new_install, updated etc).
 //