ChromeLabs: Update entry point button image

Chrome Labs icon to the right of extensions icon:
https://drive.google.com/file/d/1JmAXgwbqpFwgGcxhGUJjO3HLCHCPG_jK/view?usp=sharing

Bug: 1145666
Change-Id: Id45c1431d75a647ac97bc390cfbdf967b743833f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2570117Reviewed-by: Evan Stade <estade@chromium.org>
Reviewed-by: Caroline Rising <corising@chromium.org>
Reviewed-by: Thomas Lukaszewicz <tluk@chromium.org>
Commit-Queue: Elaine Chien <elainechien@chromium.org>
Cr-Commit-Position: refs/heads/master@{#834295}

chrome/app/vector_icons/BUILD.gn

@@ -31,6 +31,7 @@ aggregate_vector_icons("chrome_vector_icons") {
     "caret_up.icon",
     "cast_for_education.icon",
     "chevron_right.icon",
+    "chrome_labs.icon",
     "click_to_call_illustration.icon",
     "click_to_call_illustration_dark.icon",
     "close_all.icon",

chrome/app/vector_icons/chrome_labs.icon

+// Copyright 2020 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+CANVAS_DIMENSIONS, 32,
+MOVE_TO, 27.3f, 23.52f,
+R_LINE_TO, -8.37f, -11.99f,
+V_LINE_TO, 7.03f,
+R_H_LINE_TO, 3.04f,
+V_LINE_TO, 4,
+H_LINE_TO, 10.06f,
+R_V_LINE_TO, 3.03f,
+R_H_LINE_TO, 2.97f,
+R_V_LINE_TO, 4.49f,
+LINE_TO, 4.49f, 23.77f,
+R_ARC_TO, 2.73f, 2.73f, 0, 0, 0, -0.21f, 2.78f,
+ARC_TO, 2.58f, 2.58f, 0, 0, 0, 6.59f, 28,
+R_H_LINE_TO, 18.81f,
+CUBIC_TO, 26.83f, 28, 28, 26.8f, 28, 25.33f,
+R_CUBIC_TO, 0, -0.69f, -0.27f, -1.33f, -0.7f, -1.81f,
+CLOSE
+
+CANVAS_DIMENSIONS, 16,
+MOVE_TO, 13.65f, 11.76f,
+LINE_TO, 9.46f, 5.76f,
+V_LINE_TO, 3.52f,
+R_H_LINE_TO, 1.52f,
+V_LINE_TO, 2,
+H_LINE_TO, 5.03f,
+R_V_LINE_TO, 1.52f,
+R_H_LINE_TO, 1.49f,
+R_V_LINE_TO, 2.25f,
+R_LINE_TO, -4.27f, 6.12f,
+R_CUBIC_TO, -0.28f, 0.41f, -0.32f, 0.94f, -0.1f, 1.39f,
+R_CUBIC_TO, 0.22f, 0.45f, 0.67f, 0.73f, 1.15f, 0.73f,
+R_H_LINE_TO, 9.41f,
+R_CUBIC_TO, 0.71f, 0, 1.3f, -0.6f, 1.3f, -1.33f,
+R_CUBIC_TO, 0, -0.35f, -0.14f, -0.67f, -0.35f, -0.91f,
+CLOSE

chrome/browser/ui/views/toolbar/chrome_labs_button.cc

@@ -15,9 +15,7 @@ ChromeLabsButton::ChromeLabsButton()
 }
 
 void ChromeLabsButton::UpdateIcon() {
-  // TODO(elainechien): Replace kHorizontalMenuIcon with Chrome Labs icon when
-  // available.
-  UpdateIconsWithStandardColors(kHorizontalMenuIcon);
+  UpdateIconsWithStandardColors(kChromeLabsIcon);
 }
 
 const char* ChromeLabsButton::GetClassName() const {