DevTools: update console timestamp style

third_party/WebKit/Source/devtools/front_end/console/ConsoleViewMessage.js

Index: third_party/WebKit/Source/devtools/front_end/console/ConsoleViewMessage.js
diff --git a/third_party/WebKit/Source/devtools/front_end/console/ConsoleViewMessage.js b/third_party/WebKit/Source/devtools/front_end/console/ConsoleViewMessage.js
index 368bce0f601c397bd11c32bc910e31eaa0b388a2..ffe187b280ba0be24d28c8b55f2dd457484cb82f 100644
--- a/third_party/WebKit/Source/devtools/front_end/console/ConsoleViewMessage.js
+++ b/third_party/WebKit/Source/devtools/front_end/console/ConsoleViewMessage.js
@@ -816,20 +816,24 @@ Console.ConsoleViewMessage = class {
   }
 
   /**
-   * @param {boolean} show
+   * @param {!Console.ConsoleViewMessage.TimestampFormat} format
    */
-  updateTimestamp(show) {
+  updateTimestamp(format) {
     if (!this._contentElement)
       return;
 
-    if (show && !this.timestampElement) {
-      this.timestampElement = createElementWithClass('span', 'console-timestamp');
-      this.timestampElement.textContent = (new Date(this._message.timestamp)).toConsoleTime() + ' ';
+    var show = format !== Console.ConsoleViewMessage.TimestampFormat.None;
+    if (show) {
+      var timestamp = (new Date(this._message.timestamp)).toConsoleTime();

[chenwilliam, 2017/01/24 03:32:13]

Instead of extending the Date prototype... you can create a function:
formatTimestampToYearMonthDay()

[luoe, 2017/01/24 23:16:19]

Done.

+      var timestampText = timestamp.hourMinuteSecond;
+      if (format === Console.ConsoleViewMessage.TimestampFormat.Full)
+        timestampText = timestamp.yearMonthDay + ' ' + timestampText;
+      if (!this.timestampElement)
+        this.timestampElement = createElementWithClass('span', 'console-timestamp');
+      this.timestampElement.textContent = timestampText + ' ';
+      this.timestampElement.title = timestampText;
       this._contentElement.insertBefore(this.timestampElement, this._contentElement.firstChild);
-      return;
-    }
-
-    if (!show && this.timestampElement) {
+    } else if (!show && this.timestampElement) {
       this.timestampElement.remove();
       delete this.timestampElement;
     }
@@ -895,7 +899,7 @@ Console.ConsoleViewMessage = class {
       formattedMessage = this._buildMessage(consoleMessage);
     contentElement.appendChild(formattedMessage);
 
-    this.updateTimestamp(Common.moduleSetting('consoleTimestampsEnabled').get());
+    this.updateTimestamp(Common.moduleSetting('consoleTimestampFormat').get());
     return this._contentElement;
   }
 
@@ -983,6 +987,8 @@ Console.ConsoleViewMessage = class {
       return;
 
     this._repeatCountElement.remove();
+    if (this._contentElement)
+      this._contentElement.classList.remove('repeated-message');
     delete this._repeatCountElement;
   }
 
@@ -1169,6 +1175,15 @@ Console.ConsoleViewMessage = class {
 };
 
 /**
+ * @enum {string}
+ */
+Console.ConsoleViewMessage.TimestampFormat = {
+  None: 'none',
+  Full: 'full',
+  Short: 'short'
+};
+
+/**
  * @unrestricted
  */
 Console.ConsoleGroupViewMessage = class extends Console.ConsoleViewMessage {