Bug 1284517 - Touch the Start Menu shortcut on Windows 8 and later in the installer so the Start Menu tile cache gets cleared. r=rstrong

MozReview-Commit-ID: FwjVw0BAGdn

--HG--
extra : rebase_source : b3653100af3d3040a1e99512609b691782d09fbd

browser/installer/windows/nsis/installer.nsi

@@ -542,6 +542,13 @@ Section "-Application" APP_IDX
     ${EndIf}
   ${EndIf}
 
+  ; Update lastwritetime of the Start Menu shortcut to clear the tile cache.
+  ${If} ${AtLeastWin8}
+  ${AndIf} ${FileExists} "$SMPROGRAMS\${BrandFullName}.lnk"
+    FileOpen $0 "$SMPROGRAMS\${BrandFullName}.lnk" a
+    FileClose $0
+  ${EndIf}
+
   ${If} $AddDesktopSC == 1
     CreateShortCut "$DESKTOP\${BrandFullName}.lnk" "$INSTDIR\${FileMainEXE}"
     ${If} ${FileExists} "$DESKTOP\${BrandFullName}.lnk"

browser/installer/windows/nsis/shared.nsh

@@ -120,6 +120,13 @@
   ; root of the Start Menu Programs directory.
   ${MigrateStartMenuShortcut}
 
+  ; Update lastwritetime of the Start Menu shortcut to clear the tile cache.
+  ${If} ${AtLeastWin8}
+  ${AndIf} ${FileExists} "$SMPROGRAMS\${BrandFullName}.lnk"
+    FileOpen $0 "$SMPROGRAMS\${BrandFullName}.lnk" a
+    FileClose $0
+  ${EndIf}
+
   ; Adds a pinned Task Bar shortcut (see MigrateTaskBarShortcut for details).
   ${MigrateTaskBarShortcut}