DevTools: Fix argument hints for static constructor methods

The constructor name was not being passed correctly into the JSON,
which was causing static methods to be incorrectly parsed as
unique top level functions.

Bug: 913363
Change-Id: If0a94184cceef0c16b8755fe375aad3e2e48de0d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1501495Reviewed-by: Erik Luo <luoe@chromium.org>
Commit-Queue: Joel Einbinder <einbinder@chromium.org>
Cr-Commit-Position: refs/heads/master@{#637852}

third_party/blink/renderer/devtools/scripts/javascript_natives/index.js

@@ -178,7 +178,7 @@ function postProcess() {
     } else {
       for (const parent in methods[name]) {
         if (parent.endsWith('Constructor'))
-          functions.push({name, signatures: methods[name][parent], static: true, receiver: constructor});
+          functions.push({name, signatures: methods[name][parent], static: true, receiver: parent.substring(0, parent.length - 'Constructor'.length)});
         else
           functions.push({name, signatures: methods[name][parent], receiver: parent});
       }

third_party/blink/web_tests/http/tests/devtools/console/argument-hints-expected.txt

@@ -92,7 +92,6 @@ start,?deleteCount,...items
 URL.createObjectURL(
 blob
 source
-stream
 
 (() => window)().URL["revokeObjectURL"](
 url
@@ -103,4 +102,13 @@ null
 some gibberish $@#)(*^@#
 null
 
+Date.parse(
+s
+
+JSON.parse(
+text,?reviver
+
+CSSNumericValue.parse(
+cssText
+
 

third_party/blink/web_tests/http/tests/devtools/console/argument-hints.js

@@ -82,6 +82,9 @@
   await testHints('(() => window)().URL["revokeObjectURL"](');
   await testHints('var notInAfunction');
   await testHints('some gibberish $@#)(*^@#');
+  await testHints('Date.parse(');
+  await testHints('JSON.parse(');
+  await testHints('CSSNumericValue.parse(');
   TestRunner.completeTest();
 
   /**