debug: "console was cleared" when auto cleared

src/vs/workbench/parts/debug/browser/media/repl.css

@@ -135,7 +135,11 @@
 	background: url('clear-repl-inverse.svg') center center no-repeat;
 }
 
-/* Output coloring */
+/* Output coloring  and styling */
+
+.monaco-workbench .repl .repl-tree .monaco-tree .monaco-tree-row > .content > .output.expression > .ignore {
+	font-style: italic;
+}
 
 .vs .monaco-workbench .repl .repl-tree .monaco-tree .monaco-tree-row > .content > .output.expression > .warn {
 	color: #cd9731;
@@ -224,4 +228,4 @@
 .monaco-workbench .repl .repl-tree .monaco-tree .monaco-tree-row > .content > .output.expression a {
 	text-decoration: underline;
 	cursor: pointer;
-}
\ No newline at end of file
+}

src/vs/workbench/parts/debug/electron-browser/debugService.ts

@@ -674,6 +674,7 @@ export class DebugService implements debug.IDebugService {
 		if (typeof value === 'string' && value.indexOf(clearAnsiSequence) >= 0) {
 			// [2J is the ansi escape sequence for clearing the display http://ascii-table.com/ansi-escape-sequences.php
 			this.model.removeReplExpressions();
+			this.model.appendToRepl(nls.localize('consoleCleared', "Console was cleared"), severity.Ignore);
 			value = value.substr(value.indexOf(clearAnsiSequence) + clearAnsiSequence.length);
 		}
 

src/vs/workbench/parts/debug/electron-browser/replViewer.ts

@@ -256,7 +256,7 @@ export class ReplExpressionsRenderer implements IRenderer {
 		let result = handleANSIOutput(element.value, this.linkDetector);
 		templateData.value.appendChild(result);
 
-		dom.addClass(templateData.value, (element.severity === severity.Warning) ? 'warn' : (element.severity === severity.Error) ? 'error' : 'info');
+		dom.addClass(templateData.value, (element.severity === severity.Warning) ? 'warn' : (element.severity === severity.Error) ? 'error' : (element.severity === severity.Ignore) ? 'ignore' : 'info');
 		templateData.source.textContent = element.sourceData ? `${element.sourceData.source.name}:${element.sourceData.lineNumber}` : '';
 		templateData.source.title = element.sourceData ? element.sourceData.source.uri.toString() : '';
 		templateData.getReplElementSource = () => element.sourceData;