DevTools: update console viewport scroll when prompt is resized

third_party/WebKit/Source/devtools/front_end/source_frame/SourcesTextEditor.js

Index: third_party/WebKit/Source/devtools/front_end/source_frame/SourcesTextEditor.js
diff --git a/third_party/WebKit/Source/devtools/front_end/source_frame/SourcesTextEditor.js b/third_party/WebKit/Source/devtools/front_end/source_frame/SourcesTextEditor.js
index af8f11d6aa1d9a2fabaa259efeb4436dcabbf06e..3cfe7f961dc11d0187f07bf472c9a42b72231d76 100644
--- a/third_party/WebKit/Source/devtools/front_end/source_frame/SourcesTextEditor.js
+++ b/third_party/WebKit/Source/devtools/front_end/source_frame/SourcesTextEditor.js
@@ -20,7 +20,7 @@ SourceFrame.SourcesTextEditor = class extends TextEditor.CodeMirrorTextEditor {
 
     this._delegate = delegate;
 
-    this.codeMirror().on('changes', this._fireTextChanged.bind(this));
+    this.on(UI.TextEditor.ContentChangedEvent, this._fireTextChanged, this);
     this.codeMirror().on('cursorActivity', this._cursorActivity.bind(this));
     this.codeMirror().on('gutterClick', this._gutterClick.bind(this));
     this.codeMirror().on('scroll', this._scroll.bind(this));
@@ -378,12 +378,12 @@ SourceFrame.SourcesTextEditor = class extends TextEditor.CodeMirrorTextEditor {
   }
 
   /**
-   * @param {!CodeMirror} codeMirror
-   * @param {!Array.<!CodeMirror.ChangeObject>} changes
+   * @param {!UI.TextEditor.ContentChangedEvent} event
    */
-  _fireTextChanged(codeMirror, changes) {
-    if (!changes.length || this._muteTextChangedEvent)
+  _fireTextChanged(event) {
+    if (this._muteTextChangedEvent)
       return;
+    var changes = event.changes;
     var edits = [];
     var currentEdit;