A64: Rename k<Y>RegSize to k<Y>RegSizeInBits, and k<Y>RegSizeInBytes to k<Y>RegSize.

src/a64/regexp-macro-assembler-a64.h

Index: src/a64/regexp-macro-assembler-a64.h
diff --git a/src/a64/regexp-macro-assembler-a64.h b/src/a64/regexp-macro-assembler-a64.h
index 0f6b44b9fe97cdb48640858f1b13a2d788c04173..ff4f8daa86d4a085909c3a5edb97f37237e9c290 100644
--- a/src/a64/regexp-macro-assembler-a64.h
+++ b/src/a64/regexp-macro-assembler-a64.h
@@ -144,9 +144,9 @@ class RegExpMacroAssemblerA64: public NativeRegExpMacroAssembler {
   static const int kSuccessCounter = kInput - kPointerSize;
   // First position register address on the stack. Following positions are
   // below it. A position is a 32 bit value.
-  static const int kFirstRegisterOnStack = kSuccessCounter - kWRegSizeInBytes;
+  static const int kFirstRegisterOnStack = kSuccessCounter - kWRegSize;
   // A capture is a 64 bit value holding two position.
-  static const int kFirstCaptureOnStack = kSuccessCounter - kXRegSizeInBytes;
+  static const int kFirstCaptureOnStack = kSuccessCounter - kXRegSize;
 
   // Initial size of code buffer.
   static const size_t kRegExpCodeSize = 1024;