Reverting noop change

Author: Dhriti Chopra

java-storage/google-cloud-storage/src/main/java/com/google/cloud/storage/ReadAsChannel.java

@@ -97,7 +97,7 @@ public ReadAsChannel withRangeSpec(RangeSpec range) {
    */
   @BetaApi
   boolean getCrc32cValidationEnabled() {
-    return !Hasher.noop().equals(hasher);
+    return Hasher.enabled().equals(hasher);
   }
 
   /**
@@ -111,7 +111,7 @@ boolean getCrc32cValidationEnabled() {
    */
   @BetaApi
   ReadAsChannel withCrc32cValidationEnabled(boolean enabled) {
-    if (enabled && !Hasher.noop().equals(hasher)) {
+    if (enabled && Hasher.enabled().equals(hasher)) {
       return this;
     } else if (!enabled && Hasher.noop().equals(hasher)) {
       return this;

java-storage/google-cloud-storage/src/main/java/com/google/cloud/storage/ReadAsFutureByteString.java

@@ -97,7 +97,7 @@ public ReadAsFutureByteString withRangeSpec(RangeSpec range) {
    */
   @BetaApi
   boolean getCrc32cValidationEnabled() {
-    return !Hasher.noop().equals(hasher);
+    return Hasher.enabled().equals(hasher);
   }
 
   /**
@@ -111,7 +111,7 @@ boolean getCrc32cValidationEnabled() {
    */
   @BetaApi
   ReadAsFutureByteString withCrc32cValidationEnabled(boolean enabled) {
-    if (enabled && !Hasher.noop().equals(hasher)) {
+    if (enabled && Hasher.enabled().equals(hasher)) {
       return this;
     } else if (!enabled && Hasher.noop().equals(hasher)) {
       return this;

java-storage/google-cloud-storage/src/main/java/com/google/cloud/storage/ReadAsFutureBytes.java

@@ -92,7 +92,7 @@ public ReadAsFutureBytes withRangeSpec(RangeSpec range) {
    */
   @BetaApi
   boolean getCrc32cValidationEnabled() {
-    return !Hasher.noop().equals(hasher);
+    return Hasher.enabled().equals(hasher);
   }
 
   /**
@@ -106,7 +106,7 @@ boolean getCrc32cValidationEnabled() {
    */
   @BetaApi
   ReadAsFutureBytes withCrc32cValidationEnabled(boolean enabled) {
-    if (enabled && !Hasher.noop().equals(hasher)) {
+    if (enabled && Hasher.enabled().equals(hasher)) {
       return this;
     } else if (!enabled && Hasher.noop().equals(hasher)) {
       return this;

java-storage/google-cloud-storage/src/main/java/com/google/cloud/storage/ReadAsSeekableChannel.java

@@ -94,7 +94,7 @@ public ReadAsSeekableChannel withRangeSpecFunction(RangeSpecFunction rangeSpecFu
    */
   @BetaApi
   boolean getCrc32cValidationEnabled() {
-    return !Hasher.noop().equals(hasher);
+    return Hasher.enabled().equals(hasher);
   }
 
   /**
@@ -108,7 +108,7 @@ boolean getCrc32cValidationEnabled() {
    */
   @BetaApi
   ReadAsSeekableChannel withCrc32cValidationEnabled(boolean enabled) {
-    if (enabled && !Hasher.noop().equals(hasher)) {
+    if (enabled && Hasher.enabled().equals(hasher)) {
       return this;
     } else if (!enabled && Hasher.noop().equals(hasher)) {
       return this;