[ios] Adds Recent Tabs and TableView assets.

Bug: 822987
Cq-Include-Trybots: master.tryserver.chromium.mac:ios-simulator-cronet;master.tryserver.chromium.mac:ios-simulator-full-configs
Change-Id: Icb56645549412651656dafa6ecbbf869d3cba2b4
Reviewed-on: https://chromium-review.googlesource.com/982364
Commit-Queue: Sergio Collazos <sczs@chromium.org>
Reviewed-by: edchin <edchin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#546199}

ios/chrome/browser/ui/recent_tabs/resources/BUILD.gn

+# Copyright 2018 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.
+
+import("//build/config/ios/asset_catalog.gni")
+
+imageset("show_history") {
+  sources = [
+    "show_history.imageset/Contents.json",
+    "show_history.imageset/show_history.png",
+    "show_history.imageset/show_history_@2x.png",
+    "show_history.imageset/show_history_@3x.png",
+  ]
+}

ios/chrome/browser/ui/recent_tabs/resources/show_history.imageset/Contents.json

+{
+    "images": [
+        {
+            "idiom": "universal",
+            "scale": "1x",
+            "filename": "show_history.png"
+        },
+        {
+            "idiom": "universal",
+            "scale": "2x",
+            "filename": "show_history@2x.png"
+        },
+        {
+            "idiom": "universal",
+            "scale": "3x",
+            "filename": "show_history@3x.png"
+        }
+    ],
+    "info": {
+        "version": 1,
+        "author": "xcode"
+    }
+}

ios/chrome/browser/ui/table_view/cells/resources/BUILD.gn

+# Copyright 2018 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.
+
+import("//build/config/ios/asset_catalog.gni")
+
+imageset("table_view_cell_chevron") {
+  sources = [
+    "table_view_cell_chevron.imageset/Contents.json",
+    "table_view_cell_chevron.imageset/table_view_cell_chevron.png",
+    "table_view_cell_chevron.imageset/table_view_cell_chevron_@2x.png",
+    "table_view_cell_chevron.imageset/table_view_cell_chevron_@3x.png",
+  ]
+}
+
+imageset("table_view_cell_favicon_background") {
+  sources = [
+    "table_view_cell_favicon_background.imageset/Contents.json",
+    "table_view_cell_favicon_background.imageset/table_view_cell_favicon_background.png",
+    "table_view_cell_favicon_background.imageset/table_view_cell_favicon_background_@2x.png",
+    "table_view_cell_favicon_background.imageset/table_view_cell_favicon_background_@3x.png",
+  ]
+}

ios/chrome/browser/ui/table_view/cells/resources/table_view_cell_chevron.imageset/Contents.json

+{
+    "images": [
+        {
+            "idiom": "universal",
+            "scale": "1x",
+            "filename": "table_view_cell_chevron.png"
+        },
+        {
+            "idiom": "universal",
+            "scale": "2x",
+            "filename": "table_view_cell_chevron_@2x.png"
+        },
+        {
+            "idiom": "universal",
+            "scale": "3x",
+            "filename": "table_view_cell_chevron_@3x.png"
+        }
+    ],
+    "info": {
+        "version": 1,
+        "author": "xcode"
+    }
+}

ios/chrome/browser/ui/table_view/cells/resources/table_view_cell_favicon_background.imageset/Contents.json

+{
+    "images": [
+        {
+            "idiom": "universal",
+            "scale": "1x",
+            "filename": "table_view_cell_favicon_background.png"
+        },
+        {
+            "idiom": "universal",
+            "scale": "2x",
+            "filename": "table_view_cell_favicon_background@2x.png"
+        },
+        {
+            "idiom": "universal",
+            "scale": "3x",
+            "filename": "table_view_cell_favicon_background@3x.png"
+        }
+    ],
+    "info": {
+        "version": 1,
+        "author": "xcode"
+    }
+}