Fix CPU(32BIT) definition

Previously WTF_CPU_32BIT definition is inside #if of ARM.
This CL make CPU(32BIT) true on all architectures if and only if not CPU(64BIT).

BUG=432033

Review URL: https://codereview.chromium.org/712303003

git-svn-id: svn://svn.chromium.org/blink/trunk@185196 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/wtf/CPU.h

@@ -168,10 +168,6 @@
 #define WTF_CPU_APPLE_ARMV7S 1
 #endif
 
-#if !defined(WTF_CPU_64BIT)
-#define WTF_CPU_32BIT 1
-#endif
-
 #endif /* ARM */
 
 /* CPU(ARM64) - AArch64 64-bit */
@@ -185,4 +181,8 @@
 #define WTF_CPU_64BIT 1
 #endif
 
+#if !defined(WTF_CPU_64BIT)
+#define WTF_CPU_32BIT 1
+#endif
+
 #endif /* WTF_CPU_h */