Merge pull request bhollis#224 from dengarcia/loop-optimization

Small loop optimization

Author: bhollis

src/background-chrome.ts

@@ -23,6 +23,7 @@ function detectJSON(event: chrome.webRequest.WebResponseHeadersDetails) {
       isJSONContentType(header.value)
     ) {
       addJsonUrl(event.url);
+      break;
     }
   }
 

src/background-firefox.ts

@@ -27,6 +27,7 @@ function detectJSON(event: chrome.webRequest.WebResponseHeadersDetails) {
         // We need to change the content type to text/plain to prevent Firefox
         // from using its built-in JSON viewer.
         header.value = "text/plain; charset=UTF-8";
+        break;
       }
     }
   }