DevTools: rebaseline tests after V8 roll

third_party/WebKit/Source/devtools/front_end/sdk/RemoteObject.js

Index: third_party/WebKit/Source/devtools/front_end/sdk/RemoteObject.js
diff --git a/third_party/WebKit/Source/devtools/front_end/sdk/RemoteObject.js b/third_party/WebKit/Source/devtools/front_end/sdk/RemoteObject.js
index df07d56fb9ff9f543e1b2b349cc30c23e0ad89e8..efc30fd9f8e8525818f3029c82a653ca3199ec89 100644
--- a/third_party/WebKit/Source/devtools/front_end/sdk/RemoteObject.js
+++ b/third_party/WebKit/Source/devtools/front_end/sdk/RemoteObject.js
@@ -70,6 +70,8 @@ SDK.RemoteObject = class {
   static arrayLength(object) {
     if (object.subtype !== 'array' && object.subtype !== 'typedarray')
       return 0;
+    // Array lengths in V8-generated descriptions switched from square brackets to parentheses.
+    // Both formats are checked in case the front end is dealing with an old version of V8.
     var matches = object.description.match(/\[([0-9]+)\]/) || object.description.match(/\(([0-9]+)\)/);
     if (!matches)
       return 0;