DevTools: [ux regression] There is no way to clear console history.

third_party/WebKit/Source/devtools/front_end/ui/SuggestBox.js

Index: third_party/WebKit/Source/devtools/front_end/ui/SuggestBox.js
diff --git a/third_party/WebKit/Source/devtools/front_end/ui/SuggestBox.js b/third_party/WebKit/Source/devtools/front_end/ui/SuggestBox.js
index a6e2903d948d3a9a25e72f293d7aa2f70a5f8e26..e3009a1019c0fd23cbaf7dc909b6bf5c9d0daedd 100644
--- a/third_party/WebKit/Source/devtools/front_end/ui/SuggestBox.js
+++ b/third_party/WebKit/Source/devtools/front_end/ui/SuggestBox.js
@@ -70,6 +70,11 @@ WebInspector.SuggestBox = function(suggestBoxDelegate, maxItemsHeight)
     this._asyncDetailsPromises = /** @type {!Map<number, !Promise>} */ ({});
 }
 
+/**
+ * @typedef Array.<{title: string, className: (string|undefined)}>
+ */
+WebInspector.SuggestBox.Suggestions;
+
 WebInspector.SuggestBox.prototype = {
     /**
      * @return {boolean}
@@ -239,11 +244,12 @@ WebInspector.SuggestBox.prototype = {
     /**
      * @param {string} prefix
      * @param {string} text
+     * @param {string|undefined} className
      * @param {number} index
      */
-    _createItemElement: function(prefix, text, index)
+    _createItemElement: function(prefix, text, className, index)
     {
-        var element = createElementWithClass("div", "suggest-box-content-item source-code");
+        var element = createElementWithClass("div", "suggest-box-content-item source-code " + (className || ""));
         element.tabIndex = -1;
         if (prefix && prefix.length && !text.indexOf(prefix)) {
             element.createChild("span", "prefix").textContent = prefix;
@@ -258,7 +264,7 @@ WebInspector.SuggestBox.prototype = {
     },
 
     /**
-     * @param {!Array.<string>} items
+     * @param {!WebInspector.SuggestBox.Suggestions} items
      * @param {string} userEnteredText
      * @param {function(number): !Promise<{detail:string, description:string}>=} asyncDetails
      */
@@ -272,7 +278,7 @@ WebInspector.SuggestBox.prototype = {
 
         for (var i = 0; i < items.length; ++i) {
             var item = items[i];
-            var currentItemElement = this._createItemElement(userEnteredText, item, i);
+            var currentItemElement = this._createItemElement(userEnteredText, item.title, item.className, i);
             this._element.appendChild(currentItemElement);
         }
     },
@@ -337,7 +343,7 @@ WebInspector.SuggestBox.prototype = {
     },
 
     /**
-     * @param {!Array.<string>} completions
+     * @param {!WebInspector.SuggestBox.Suggestions} completions
      * @param {boolean} canShowForSingleItem
      * @param {string} userEnteredText
      */
@@ -350,7 +356,7 @@ WebInspector.SuggestBox.prototype = {
             return true;
 
         // Do not show a single suggestion if it is the same as user-entered prefix, even if allowed to show single-item suggest boxes.
-        return canShowForSingleItem && completions[0] !== userEnteredText;
+        return canShowForSingleItem && completions[0].title !== userEnteredText;
     },
 
     _ensureRowCountPerViewport: function()
@@ -365,7 +371,7 @@ WebInspector.SuggestBox.prototype = {
 
     /**
      * @param {!AnchorBox} anchorBox
-     * @param {!Array.<string>} completions
+     * @param {!WebInspector.SuggestBox.Suggestions} completions
      * @param {number} selectedIndex
      * @param {boolean} canShowForSingleItem
      * @param {string} userEnteredText