[ChromeDriver] Raise kElementClickIntercepted if element is overlaid

Bug: chromedriver:2773
Change-Id: I663a3a4f280f31e5428c2056d7bdfc64b0c6a048
Reviewed-on: https://chromium-review.googlesource.com/c/1482110Reviewed-by: John Chen <johnchen@chromium.org>
Commit-Queue: Tatiana Buldina <buldina@chromium.org>
Cr-Commit-Position: refs/heads/master@{#634697}

chrome/test/chromedriver/chrome/status.cc

@@ -74,6 +74,8 @@ const char* DefaultMessageForStatusCode(StatusCode code) {
       return "unable to set cookie";
     case kTargetDetached:
       return "target frame detached";
+    case kElementClickIntercepted:
+      return "element click intercepted";
     default:
       return "<unknown>";
   }

chrome/test/chromedriver/chrome/status.h

@@ -33,6 +33,7 @@ enum StatusCode {
   kElementNotInteractable = 60,
   kInvalidArgument = 61,
   kNoSuchCookie = 62,
+  kElementClickIntercepted = 64,
   kUnsupportedOperation = 405,
   // Chrome-specific status codes.
   kChromeNotReachable = 100,

chrome/test/chromedriver/element_util.cc

@@ -120,8 +120,8 @@ Status VerifyElementClickable(
   if (!is_clickable) {
     std::string message;
     if (!dict->GetString("message", &message))
-      message = "element is not clickable";
-    return Status(kUnknownError, message);
+      message = "element click intercepted";
+    return Status(kElementClickIntercepted, message);
   }
   return Status(kOk);
 }

chrome/test/chromedriver/server/http_handler.cc

@@ -994,6 +994,9 @@ HttpHandler::PrepareStandardResponse(
       response.reset(new net::HttpServerResponseInfo(net::HTTP_OK));
       break;
     // error codes
+    case kElementClickIntercepted:
+      response.reset(new net::HttpServerResponseInfo(net::HTTP_BAD_REQUEST));
+      break;
     case kElementNotInteractable:
       response.reset(new net::HttpServerResponseInfo(net::HTTP_BAD_REQUEST));
       break;