Added Google Drive icon accessible via BrandedImageProvider.

Bug: 791806
Cq-Include-Trybots: master.tryserver.chromium.mac:ios-simulator-cronet;master.tryserver.chromium.mac:ios-simulator-full-configs
Change-Id: Ia98dcc56f5681e033d0ec02dd9714d16ca6f40a6
Reviewed-on: https://chromium-review.googlesource.com/947093
Commit-Queue: Eugene But <eugenebut@chromium.org>
Reviewed-by: Sylvain Defresne <sdefresne@chromium.org>
Cr-Commit-Position: refs/heads/master@{#541623}

ios/chrome/browser/providers/images/BUILD.gn

@@ -8,6 +8,7 @@ source_set("images") {
     "chromium_branded_image_provider.mm",
   ]
   deps = [
+    "resources:download_drivium",
     "//base",
     "//ios/chrome/app/theme",
     "//ios/chrome/browser/ui/toolbar/buttons/resources:toolbar_search",

ios/chrome/browser/providers/images/chromium_branded_image_provider.h

@@ -21,6 +21,7 @@ class ChromiumBrandedImageProvider : public BrandedImageProvider {
   bool GetToolbarVoiceSearchButtonImageId(int* image_id) override;
   UIImage* GetWhatsNewIconImage(WhatsNewIcon type) override;
   UIImage* GetToolbarSearchButtonImage(SearchEngineIcon type) override;
+  UIImage* GetDownloadGoogleDriveImage() override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ChromiumBrandedImageProvider);

ios/chrome/browser/providers/images/chromium_branded_image_provider.mm

@@ -59,3 +59,7 @@ UIImage* ChromiumBrandedImageProvider::GetToolbarSearchButtonImage(
     SearchEngineIcon type) {
   return [UIImage imageNamed:@"toolbar_search"];
 }
+
+UIImage* ChromiumBrandedImageProvider::GetDownloadGoogleDriveImage() {
+  return [UIImage imageNamed:@"download_drivium"];
+}

ios/chrome/browser/providers/images/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("download_drivium") {
+  sources = [
+    "download_drivium.imageset/Contents.json",
+    "download_drivium.imageset/download_drivium.png",
+    "download_drivium.imageset/download_drivium@2x.png",
+    "download_drivium.imageset/download_drivium@3x.png",
+  ]
+}

ios/chrome/browser/providers/images/resources/download_drivium.imageset/Contents.json

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

ios/public/provider/chrome/browser/images/branded_image_provider.h

@@ -56,6 +56,10 @@ class BrandedImageProvider {
   // corresponding to the |type| search engine.
   virtual UIImage* GetToolbarSearchButtonImage(SearchEngineIcon type);
 
+  // Returns the 24pt x 24pt image to use for the "Download Google Drive" icon
+  // on Download Manager UI.
+  virtual UIImage* GetDownloadGoogleDriveImage();
+
  private:
   DISALLOW_COPY_AND_ASSIGN(BrandedImageProvider);
 };

ios/public/provider/chrome/browser/images/branded_image_provider.mm

@@ -50,3 +50,7 @@ UIImage* BrandedImageProvider::GetToolbarSearchButtonImage(
     SearchEngineIcon type) {
   return nil;
 }
+
+UIImage* BrandedImageProvider::GetDownloadGoogleDriveImage() {
+  return nil;
+}