Don't show "show in foloder" in chrome os.

chrome/browser/defaults.cc

Index: chrome/browser/defaults.cc
diff --git a/chrome/browser/defaults.cc b/chrome/browser/defaults.cc
index ed99c9d59b6991da0e64e738f3c66f7f665f9dca..65f5802d93ba94039f42256124408216f487a51c 100644
--- a/chrome/browser/defaults.cc
+++ b/chrome/browser/defaults.cc
@@ -21,7 +21,7 @@ const bool kShowImportOnBookmarkBar = false;
 const bool kShowExitMenuItem = false;
 const bool kShowAboutMenuItem = true;
 const bool kOSSupportsOtherBrowsers = false;
-
+const bool kDownloadPageHasShowInFolder = false;
 #elif defined(OS_LINUX)
 
 // 13.4px = 10pt @ 96dpi.
@@ -49,6 +49,7 @@ const SessionStartupPref::Type kDefaultSessionStartupType =
 const int kPinnedTabWidth = 56;
 const bool kRestorePopups = false;
 const bool kShowImportOnBookmarkBar = true;
+const bool kDownloadPageHasShowInFolder = true;
 #if defined(OS_MACOSX)
 const bool kShowExitMenuItem = false;
 const bool kShowAboutMenuItem = false;