Add Material Components iOS as a dependency.

BUG=581717
R=rohitrao@chromium.org,sdefresne@chromium.org

Review-Url: https://codereview.chromium.org/2579003003
Cr-Commit-Position: refs/heads/master@{#438991}

.gitignore

@@ -191,6 +191,7 @@ vs-chromium-project.txt
 /ios/third_party/earl_grey/src
 /ios/third_party/fishhook/src
 /ios/third_party/gcdwebserver/src
+/ios/third_party/material_components_ios/src
 /ios/third_party/material_font_disk_loader_ios/src
 /ios/third_party/material_roboto_font_loader_ios/src
 /ios/third_party/material_sprited_animation_view_ios/src

DEPS

@@ -355,6 +355,9 @@ deps_os = {
     'src/ios/third_party/gcdwebserver/src':
       Var('chromium_git') + '/external/github.com/swisspol/GCDWebServer.git' + '@' + '3d5fd0b8281a7224c057deb2d17709b5bea64836',
 
+    'src/ios/third_party/material_components_ios/src':
+      Var('chromium_git') + '/external/github.com/material-components/material-components-ios.git' + '@' + '4e5a18715bedf3ada7fd35ba9d2d41082fbf7437',
+
     'src/ios/third_party/material_font_disk_loader_ios/src':
       Var('chromium_git') + '/external/github.com/material-foundation/material-font-disk-loader-ios.git' + '@' + '20c8fe37329cb18826f90159ce4ee445079e2e46',
 

ios/third_party/material_components_ios/OWNERS

+lpromero@chromium.org
+rohitrao@chromium.org
+
+# These are for the common case of adding or renaming files. If you're doing
+# structural changes, please get a review from an OWNER.
+per-file BUILD.gn=*

ios/third_party/material_components_ios/README.chromium

+Name: Material Components for iOS
+URL: https://github.com/material-components/material-components-ios
+Version: 0
+Revision: 4e5a18715bedf3ada7fd35ba9d2d41082fbf7437
+License: Apache 2.0
+License File: LICENSE
+Security Critical: yes
+
+Description:
+Material Components is a production-quality UI framework focused on design
+details. The framework is designed to be a stable, documented and pixel-perfect
+set of UI components suitable for shipping high-quality material applications.
+
+Material Components' visual style is based on the material design
+specification, developed by a team of iOS engineers and UX designers at Google.
+http://www.google.com/design/spec/material-design/introduction.html
+
+Local Modifications:
+None