DevTools: do not clear console when preserving log

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 a0d3ec7330acc50102aaad44b17c77a6e25cf9f0..67db0c4b0f6095113037858ad1693033684e0015 100644
--- a/third_party/WebKit/Source/devtools/front_end/console/ConsoleViewMessage.js
+++ b/third_party/WebKit/Source/devtools/front_end/console/ConsoleViewMessage.js
@@ -204,7 +204,12 @@ Console.ConsoleViewMessage = class {
           break;
         case ConsoleModel.ConsoleMessage.MessageType.Clear:
           messageElement = createElementWithClass('span', 'console-info');
-          messageElement.textContent = Common.UIString('Console was cleared');
+          if (Common.moduleSetting('preserveConsoleLog').get())
+            messageElement.textContent = Common.UIString('console.clear() was prevented due to \'Preserve log\'');
+          else
+            messageElement.textContent = Common.UIString('Console was cleared');
+          messageElement.title =
+              Common.UIString('Clear all messages with ' + UI.shortcutRegistry.shortcutTitleForAction('console.clear'));
           break;
         case ConsoleModel.ConsoleMessage.MessageType.Assert:
           var args = [Common.UIString('Assertion failed:')];