public Builder setFrameUrl(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      frameUrl_ = value;
      bitField0_ |= 0x00000080;
      onChanged();
      return this;
    }
<pre>
If the vulnerability was originated from nested IFrame, the immediate
parent IFrame is reported.
</pre>

<code>string frame_url = 8;</code>

@param value The frameUrl to set.
@return This builder for chaining.
java-websecurityscanner/proto-google-cloud-websecurityscanner-v1beta/src/main/java/com/google/cloud/websecurityscanner/v1beta/Finding.java