Add support for --multi-install to mini_installer, fixed a memory leak, and r...

chrome/installer/mini_installer/mini_installer.h

Index: chrome/installer/mini_installer/mini_installer.h
===================================================================
--- chrome/installer/mini_installer/mini_installer.h	(revision 69281)
+++ chrome/installer/mini_installer/mini_installer.h	(working copy)
@@ -25,8 +25,11 @@
 
 // Temp directory prefix that this process creates
 const wchar_t kTempPrefix[] = L"CR_";
-// Google Update will use full installer if this suffix is found in ap key.
+// Google Update will use the full installer if this suffix is found in the ap
+// value.
 const wchar_t kFullInstallerSuffix[] = L"-full";
+// ap value tag for a multi-install product.
+const wchar_t kMultiInstallTag[] = L"-multi";
 
 // The resource types that would be unpacked from the mini installer.
 // 'BN' is uncompressed binary and 'BL' is LZ compressed binary.