Cleanup: Remove unused variables in chrome/ found by Scythe.

chrome/browser/defaults.cc

Index: chrome/browser/defaults.cc
diff --git a/chrome/browser/defaults.cc b/chrome/browser/defaults.cc
index d6a7bf3e7b90fb9c361b00c6e916a69b9a9b2193..a95e200aabe1abf77168a6be720d206c9211d9a8 100644
--- a/chrome/browser/defaults.cc
+++ b/chrome/browser/defaults.cc
@@ -17,19 +17,25 @@ const bool kShowExitMenuItem = true;
 #endif
 
 #if defined(OS_CHROMEOS)
-const bool kShowHelpMenuItemIcon = true;
 const bool kShowUpgradeMenuItem = false;
 const bool kShowImportOnBookmarkBar = false;
 const bool kAlwaysOpenIncognitoWindow = true;
 const bool kAlwaysCreateTabbedBrowserOnSessionRestore = false;
 #else
-const bool kShowHelpMenuItemIcon = false;
 const bool kShowUpgradeMenuItem = true;
 const bool kShowImportOnBookmarkBar = true;
 const bool kAlwaysOpenIncognitoWindow = false;
 const bool kAlwaysCreateTabbedBrowserOnSessionRestore = true;
 #endif
 
+#if defined(GOOGLE_CHROME_BUILD)
+#if defined(OS_CHROMEOS)
+const bool kShowHelpMenuItemIcon = true;
+#else
+const bool kShowHelpMenuItemIcon = false;
+#endif
+#endif
+
 const bool kDownloadPageHasShowInFolder = true;
 const bool kSizeTabButtonToTopOfTabStrip = false;