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

test/cctest/test-utils-a64.h

Index: test/cctest/test-utils-a64.h
diff --git a/test/cctest/test-utils-a64.h b/test/cctest/test-utils-a64.h
index 250277542abbc05551863f3ff27fc7306303c26e..6a8a95194db0b1663d50b480e3ee5c59f3d169da 100644
--- a/test/cctest/test-utils-a64.h
+++ b/test/cctest/test-utils-a64.h
@@ -162,12 +162,12 @@ class RegisterDump {
   } dump_;
 
   static dump_t for_sizeof();
-  STATIC_ASSERT(sizeof(for_sizeof().d_[0]) == kDRegSizeInBytes);
-  STATIC_ASSERT(sizeof(for_sizeof().s_[0]) == kSRegSizeInBytes);
-  STATIC_ASSERT(sizeof(for_sizeof().d_[0]) == kXRegSizeInBytes);
-  STATIC_ASSERT(sizeof(for_sizeof().s_[0]) == kWRegSizeInBytes);
-  STATIC_ASSERT(sizeof(for_sizeof().x_[0]) == kXRegSizeInBytes);
-  STATIC_ASSERT(sizeof(for_sizeof().w_[0]) == kWRegSizeInBytes);
+  STATIC_ASSERT(sizeof(for_sizeof().d_[0]) == kDRegSize);
+  STATIC_ASSERT(sizeof(for_sizeof().s_[0]) == kSRegSize);
+  STATIC_ASSERT(sizeof(for_sizeof().d_[0]) == kXRegSize);
+  STATIC_ASSERT(sizeof(for_sizeof().s_[0]) == kWRegSize);
+  STATIC_ASSERT(sizeof(for_sizeof().x_[0]) == kXRegSize);
+  STATIC_ASSERT(sizeof(for_sizeof().w_[0]) == kWRegSize);
 };
 
 // Some of these methods don't use the RegisterDump argument, but they have to