Add app compatibility GUID for Windows 8 to chrome, mini_installer, and setup's manifests

chrome/app/chrome.exe.manifest

Index: chrome/app/chrome.exe.manifest
diff --git a/chrome/app/chrome.exe.manifest b/chrome/app/chrome.exe.manifest
index baf617908a9b4499cf5af031bb435c4b3a568b60..be2515b6735741a92a7888a95b2b523cc653443f 100644
--- a/chrome/app/chrome.exe.manifest
+++ b/chrome/app/chrome.exe.manifest
@@ -3,10 +3,12 @@
 
   <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
     <application>
-      <!--This Id value indicates the application supports Windows Vista functionality -->
+      <!--The ID below indicates application support for Windows Vista -->
       <supportedOS Id="{e2011457-1546-43c5-a5fe-008deee3d3f0}"/>
-      <!--This Id value indicates the application supports Windows 7 functionality-->
+      <!--The ID below indicates application support for Windows 7 -->
       <supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}"/>
+      <!--The ID below indicates application support for Windows 8 -->
+      <supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}"/>
     </application>
   </compatibility>
   
@@ -24,4 +26,4 @@
     </security>
   </trustInfo>
   
-</assembly>
+</assembly>