[DevTools] Remove Console.messagesCleared event.

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

Index: third_party/WebKit/Source/devtools/front_end/console/ConsoleView.js
diff --git a/third_party/WebKit/Source/devtools/front_end/console/ConsoleView.js b/third_party/WebKit/Source/devtools/front_end/console/ConsoleView.js
index 49694b80b991562d55433cc87d1adecc8054b55f..bce3137a0590d577751216f2ba24aa036a909f62 100644
--- a/third_party/WebKit/Source/devtools/front_end/console/ConsoleView.js
+++ b/third_party/WebKit/Source/devtools/front_end/console/ConsoleView.js
@@ -150,7 +150,6 @@ WebInspector.ConsoleView = function()
 
     this._registerWithMessageSink();
     WebInspector.targetManager.observeTargets(this);
-    WebInspector.targetManager.addEventListener(WebInspector.TargetManager.Events.MainFrameNavigated, this._onMainFrameNavigated, this);
 
     this._initConsoleMessages();
 
@@ -179,17 +178,6 @@ WebInspector.ConsoleView.prototype = {
         this._prompt.setAddCompletionsFromHistory(this._consoleHistoryAutocompleteSetting.get());
     },
 
-    /**
-     * @param {!WebInspector.Event} event
-     */
-    _onMainFrameNavigated: function(event)
-    {
-        if (!WebInspector.moduleSetting("preserveConsoleLog").get())
-            return;
-        var frame = /** @type {!WebInspector.ResourceTreeFrame} */(event.data);
-        WebInspector.console.log(WebInspector.UIString("Navigated to %s", frame.url));
-    },
-
     _initConsoleMessages: function()
     {
         var mainTarget = WebInspector.targetManager.mainTarget();