Remove unsupported Blink CPUs from CPU.h

Source/core/page/NavigatorID.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2013 Samsung Electronics. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 18 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "NavigatorID.h"
 
 #include "core/page/NavigatorBase.h"
 #include "wtf/CPU.h"
 
 #if OS(LINUX)
-#include "sys/utsname.h"
 #include "wtf/StdLibExtras.h"
+#include <sys/utsname.h>
 #endif
 
-#ifndef WEBCORE_NAVIGATOR_PLATFORM
-#if OS(DARWIN) && (CPU(PPC) || CPU(PPC64))
-#define WEBCORE_NAVIGATOR_PLATFORM "MacPPC"
-#elif OS(DARWIN) && (CPU(X86) || CPU(X86_64))
-#define WEBCORE_NAVIGATOR_PLATFORM "MacIntel"
-#elif OS(WINDOWS)
-#define WEBCORE_NAVIGATOR_PLATFORM "Win32"
-#else
-#define WEBCORE_NAVIGATOR_PLATFORM ""
-#endif
-#endif // ifndef WEBCORE_NAVIGATOR_PLATFORM
-
 namespace WebCore {
 
 String NavigatorID::appName(const NavigatorBase*)
 {
     return "Netscape";
 }
 
 String NavigatorID::appVersion(const NavigatorBase* navigator)
 {
     // Version is everything in the user agent string past the "Mozilla/" prefix.
     const String& agent = navigator->userAgent();
     return agent.substring(agent.find('/') + 1);
 }
 
 String NavigatorID::userAgent(const NavigatorBase* navigator)
 {
     return navigator->userAgent();
 }
 
 String NavigatorID::platform(const NavigatorBase*)
 {
+#if defined(WEBCORE_NAVIGATOR_PLATFORM)
+    return WEBCORE_NAVIGATOR_PLATFORM;
+#else
 #if OS(LINUX)
-    if (!String(WEBCORE_NAVIGATOR_PLATFORM).isEmpty())
-        return WEBCORE_NAVIGATOR_PLATFORM;
     struct utsname osname;
     DEFINE_STATIC_LOCAL(String, platformName, (uname(&osname) >= 0 ? String(osname.sysname) + String(" ") + String(osname.machine) : emptyString()));
     return platformName;
 #else
-    return WEBCORE_NAVIGATOR_PLATFORM;
+#error Non-Linux ports must define WEBCORE_NAVIGATOR_PLATFORM.
+#endif
 #endif
 }
 
 } // namespace WebCore