Added TodoMVC startup benchmarks.

samples/third_party/todomvc_performance/js_todomvc/elements/td-item.css

Index: samples/third_party/todomvc_performance/js_todomvc/elements/td-item.css
diff --git a/samples/third_party/todomvc_performance/js_todomvc/elements/td-item.css b/samples/third_party/todomvc_performance/js_todomvc/elements/td-item.css
new file mode 100755
index 0000000000000000000000000000000000000000..c3768aefeec0c1a456716a06ea1006f68733364b
--- /dev/null
+++ b/samples/third_party/todomvc_performance/js_todomvc/elements/td-item.css
@@ -0,0 +1,161 @@
+/* base.css overrides */
+@host {
+	.editing {
+		border-bottom: none;
+		padding: 0;
+	}
+}
+
+button {
+	margin: 0;
+	padding: 0;
+	border: 0;
+	background-color: transparent;
+	background-image: none;
+	font-size: 100%;
+	vertical-align: baseline;
+	font-family: inherit;
+	color: inherit;
+	-webkit-appearance: none;
+	/*-moz-appearance: none;*/
+	-ms-appearance: none;
+	-o-appearance: none;
+	appearance: none;
+}
+
+
+.edit {
+	position: relative;
+	margin: 0;
+	width: 100%;
+	font-size: 24px;
+	font-family: inherit;
+	line-height: 1.4em;
+	border: 0;
+	outline: none;
+	color: inherit;
+	padding: 6px;
+	border: 1px solid #999;
+	box-shadow: inset 0 -1px 5px 0 rgba(0, 0, 0, 0.2);
+	-webkit-box-sizing: border-box;
+	-moz-box-sizing: border-box;
+	-ms-box-sizing: border-box;
+	-o-box-sizing: border-box;
+	box-sizing: border-box;
+	-webkit-font-smoothing: antialiased;
+	-moz-font-smoothing: antialiased;
+	-ms-font-smoothing: antialiased;
+	-o-font-smoothing: antialiased;
+	font-smoothing: antialiased;
+}
+
+.edit {
+	width: 506px;
+	padding: 13px 17px 12px 17px;
+	margin: 0 0 0 43px;
+}
+
+.toggle {
+	text-align: center;
+	width: 40px;
+	/* auto, since non-WebKit browsers doesn't support input styling */
+	height: auto;
+	position: absolute;
+	top: 0;
+	bottom: 0;
+	margin: auto 0;
+	border: none; /* Mobile Safari */
+	-webkit-appearance: none;
+	/*-moz-appearance: none;*/
+	-ms-appearance: none;
+	-o-appearance: none;
+	appearance: none;
+}
+
+.toggle:after {
+	content: '✔';
+	line-height: 43px; /* 40 + a couple of pixels visual adjustment */
+	font-size: 20px;
+	color: #d9d9d9;
+	text-shadow: 0 -1px 0 #bfbfbf;
+}
+
+.toggle:checked:after {
+	color: #85ada7;
+	text-shadow: 0 1px 0 #669991;
+	bottom: 1px;
+	position: relative;
+}
+
+label {
+	word-break: break-word;
+	padding: 15px;
+	margin-left: 45px;
+	display: block;
+	line-height: 1.2;
+	-webkit-transition: color 0.4s;
+	-moz-transition: color 0.4s;
+	-ms-transition: color 0.4s;
+	-o-transition: color 0.4s;
+	transition: color 0.4s;
+}
+
+.completed label {
+	color: #a9a9a9;
+	text-decoration: line-through;
+}
+
+.destroy {
+	display: none;
+	position: absolute;
+	top: 0;
+	right: 10px;
+	bottom: 0;
+	width: 40px;
+	height: 40px;
+	margin: auto 0;
+	font-size: 22px;
+	color: #a88a8a;
+	-webkit-transition: all 0.2s;
+	-moz-transition: all 0.2s;
+	-ms-transition: all 0.2s;
+	-o-transition: all 0.2s;
+	transition: all 0.2s;
+}
+
+.destroy:hover {
+	text-shadow: 0 0 1px #000,
+				 0 0 10px rgba(199, 107, 107, 0.8);
+	-webkit-transform: scale(1.3);
+	-moz-transform: scale(1.3);
+	-ms-transform: scale(1.3);
+	-o-transform: scale(1.3);
+	transform: scale(1.3);
+}
+
+.destroy:after {
+	content: '✖';
+}
+
+.view:hover .destroy {
+	display: block;
+}
+
+/*
+	Hack to remove background from Mobile Safari.
+	Can't use it globally since it destroys checkboxes in Firefox and Opera
+*/
+@media screen and (-webkit-min-device-pixel-ratio:0) {
+	.toggle {
+		background: none;
+    /* 
+      ShadowDOM Polyfill work around for webkit/blink bug 
+      https://code.google.com/p/chromium/issues/detail?id=251510
+    */
+    background-color: transparent;
+	}
+
+	.toggle {
+		height: 40px;
+	}
+}