global search clear button

src/vs/workbench/electron-browser/media/clear.svg

+<svg width="13" height="13" viewBox="0 0 13 13" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><path d="M6.5 0C2.91 0 0 2.91 0 6.5S2.91 13 6.5 13 13 10.09 13 6.5 10.09 0 6.5 0zm3.9 9.1l-1.3 1.3-2.6-2.6-2.6 2.6-1.3-1.3 2.6-2.635L2.6 3.9l1.3-1.3 2.6 2.6 2.6-2.6 1.3 1.3-2.6 2.565L10.4 9.1z" fill="#aaa"/></g></svg>
\ No newline at end of file

src/vs/workbench/electron-browser/media/shell.css

@@ -62,6 +62,21 @@
 	opacity: 1 !important;
 }
 
+.monaco-shell.vs input[type="search"]::-webkit-search-decoration,
+.monaco-shell.vs input[type="search"]::-webkit-search-results-button,
+.monaco-shell.vs input[type="search"]::-webkit-search-results-decoration {
+	display: none;
+}
+
+.monaco-shell.vs input[type="search"]::-webkit-search-cancel-button {
+	-webkit-appearance: none;
+	height: 18px;
+	width: 18px;
+	background-image: url('clear.svg');
+	background-repeat: no-repeat;
+	background-position: center center;
+}
+
 .monaco-shell.vs-dark [tabindex="0"]:focus,
 .monaco-shell.vs-dark .synthetic-focus,
 .monaco-shell.vs-dark select:focus,

src/vs/workbench/parts/extensions/electron-browser/media/extensionsViewlet.css

@@ -22,16 +22,6 @@
 	-webkit-appearance: textfield;
 }
 
-.extensions-viewlet > .header > .search-box::-webkit-search-decoration,
-.extensions-viewlet > .header > .search-box::-webkit-search-results-button,
-.extensions-viewlet > .header > .search-box::-webkit-search-results-decoration {
-	display: none;
-}
-
-.extensions-viewlet > .header > .search-box:focus {
-	outline: none;
-}
-
 .extensions-viewlet > .extensions {
 	height: calc(100% - 38px);
 }