Revert of [base] Define CHECK comparison for signed vs. unsigned

src/wasm/wasm-module.h

Index: src/wasm/wasm-module.h
diff --git a/src/wasm/wasm-module.h b/src/wasm/wasm-module.h
index 7a4a170ae62df730d57589fc82c7ef368225f496..519fdea6785dc8cff0b84dfb38272089fd3a11aa 100644
--- a/src/wasm/wasm-module.h
+++ b/src/wasm/wasm-module.h
@@ -230,7 +230,7 @@
   WasmName GetName(uint32_t offset, uint32_t length) const {
     if (length == 0) return {"<?>", 3};  // no name.
     CHECK(BoundsCheck(offset, offset + length));
-    DCHECK_GE(length, 0);
+    DCHECK_GE(static_cast<int>(length), 0);
     return {reinterpret_cast<const char*>(module_start + offset),
             static_cast<int>(length)};
   }
@@ -244,7 +244,7 @@
   WasmName GetNameOrNull(uint32_t offset, uint32_t length) const {
     if (offset == 0 && length == 0) return {NULL, 0};  // no name.
     CHECK(BoundsCheck(offset, offset + length));
-    DCHECK_GE(length, 0);
+    DCHECK_GE(static_cast<int>(length), 0);
     return {reinterpret_cast<const char*>(module_start + offset),
             static_cast<int>(length)};
   }