Change AbortError Message

The Abort operation is triggered by the RP, and returns the AbortError.
The current error massage for AbortError is "The user aborted a
request.". The change makes the AbortError massage as
"The Rely Party aborted a request."

Bug: n/a
Change-Id: Iea3991f930ba039d05ec7279aa4b3191303c836f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1642685Reviewed-by: Kim Paulhamus <kpaulhamus@chromium.org>
Commit-Queue: Suzy Li <suzyli@google.com>
Cr-Commit-Position: refs/heads/master@{#666096}

content/browser/webauth/webauth_browsertest.cc

@@ -95,7 +95,7 @@ constexpr char kRelyingPartyRpIconUrlSecurityErrorMessage[] =
     "webauth: SecurityError: 'rp.icon' should be a secure URL";
 
 constexpr char kAbortErrorMessage[] =
-    "webauth: AbortError: The user aborted a request.";
+    "webauth: AbortError: Request has been aborted.";
 
 // Templates to be used with base::ReplaceStringPlaceholders. Can be
 // modified to include up to 9 replacements. The default values for

third_party/blink/renderer/modules/credentialmanager/credentials_container.cc

@@ -292,7 +292,8 @@ DOMException* CredentialManagerErrorToDOMException(
           "this device unless the device is secured "
           "with a screen lock.");
     case CredentialManagerError::ABORT:
-      return MakeGarbageCollected<DOMException>(DOMExceptionCode::kAbortError);
+      return MakeGarbageCollected<DOMException>(DOMExceptionCode::kAbortError,
+                                                "Request has been aborted.");
     case CredentialManagerError::UNKNOWN:
       return MakeGarbageCollected<DOMException>(
           DOMExceptionCode::kNotReadableError,
@@ -523,8 +524,8 @@ ScriptPromise CredentialsContainer::get(
 
     if (options->hasSignal()) {
       if (options->signal()->aborted()) {
-        resolver->Reject(
-            MakeGarbageCollected<DOMException>(DOMExceptionCode::kAbortError));
+        resolver->Reject(MakeGarbageCollected<DOMException>(
+            DOMExceptionCode::kAbortError, "Request has been aborted."));
         return promise;
       }
       options->signal()->AddAlgorithm(
@@ -705,8 +706,8 @@ ScriptPromise CredentialsContainer::create(
 
     if (options->hasSignal()) {
       if (options->signal()->aborted()) {
-        resolver->Reject(
-            MakeGarbageCollected<DOMException>(DOMExceptionCode::kAbortError));
+        resolver->Reject(MakeGarbageCollected<DOMException>(
+            DOMExceptionCode::kAbortError, "Request has been aborted."));
         return promise;
       }
       options->signal()->AddAlgorithm(