Integrate Drive icon into New Download Manager UI.

This adds Drive icon below "Download state" icon.

UI Mocks: https://docs.google.com/presentation/d/1GzbAoJrpW9IAQF78afh5SZLWJWErNcC67t_ctujjEus/edit#slide=id.g2f6fee2339_3_0

Bug: 791806
Cq-Include-Trybots: master.tryserver.chromium.mac:ios-simulator-cronet;master.tryserver.chromium.mac:ios-simulator-full-configs
Change-Id: Id0405502a338aacfe4c2de331adbca89f1fe747e
Reviewed-on: https://chromium-review.googlesource.com/956700
Commit-Queue: Eugene But <eugenebut@chromium.org>
Reviewed-by: Sylvain Defresne <sdefresne@chromium.org>
Cr-Commit-Position: refs/heads/master@{#542811}

ios/chrome/app/strings/ios_strings.grd

@@ -630,6 +630,9 @@ locale.  The strings in this file are specific to iOS.
       <message name="IDS_IOS_DOWNLOAD_MANAGER_UPLOAD_TO_GOOGLE_DRIVE" desc="Button for uploading a downloaded file to Google Drive. It's displayed on the dialog presented when no app on the device can open the file. [Length: 25em] [iOS only]">
         Upload to Google Drive
       </message>
+      <message name="IDS_IOS_DOWNLOAD_MANAGER_GOOGLE_DRIVE" desc="Button for installing Google Drive app. Google Drive is a product name and should use the correct localized version of the product name. [Length: 25em] [iOS only]">
+        Google Drive
+      </message>
       <message name="IDS_IOS_FACETIME_BUTTON" desc="Text in the confirmation dialog button that will initiate a FaceTime call for the presented number. [Length: 10em] [iOS only]">
         FaceTime
       </message>

ios/chrome/browser/ui/download/BUILD.gn

@@ -44,6 +44,8 @@ source_set("download") {
     "//ios/chrome/browser/ui/presenters",
     "//ios/chrome/browser/ui/util",
     "//ios/chrome/browser/web:web_internal",
+    "//ios/public/provider/chrome/browser",
+    "//ios/public/provider/chrome/browser/images",
     "//ios/third_party/material_components_ios",
     "//ios/third_party/material_roboto_font_loader_ios",
     "//ios/web",

ios/chrome/browser/ui/download/download_manager_view_controller.h

@@ -68,6 +68,14 @@ extern NSString* const kDownloadManagerFailedImage;
 // setInstallGoogleDriveButtonVisible:animated: was called with YES.
 @property(nonatomic, readonly) UIButton* installDriveButton;
 
+// Install Google Drive app icon. Only visible if
+// setInstallGoogleDriveButtonVisible:animated: was called with YES.
+@property(nonatomic, readonly) UIImageView* installDriveIcon;
+
+// Install Google Drive label. Only visible if
+// setInstallGoogleDriveButtonVisible:animated: was called with YES.
+@property(nonatomic, readonly) UILabel* installDriveLabel;
+
 // View that represents download progress.
 @property(nonatomic, readonly) RadialProgressView* progressView;
 

ios/chrome/browser/ui/download/download_manager_view_controller.mm

@@ -10,6 +10,8 @@
 #import "ios/chrome/browser/ui/download/radial_progress_view.h"
 #import "ios/chrome/browser/ui/util/named_guide.h"
 #include "ios/chrome/grit/ios_strings.h"
+#include "ios/public/provider/chrome/browser/chrome_browser_provider.h"
+#import "ios/public/provider/chrome/browser/images/branded_image_provider.h"
 #import "ios/third_party/material_components_ios/src/components/Palettes/src/MaterialPalettes.h"
 #import "ios/third_party/material_components_ios/src/components/Typography/src/MaterialTypography.h"
 #include "ui/base/l10n/l10n_util_mac.h"
@@ -45,6 +47,8 @@ NSString* GetSizeString(long long size_in_bytes) {
   UILabel* _statusLabel;
   UIButton* _actionButton;
   UIButton* _installDriveButton;
+  UIImageView* _installDriveIcon;
+  UILabel* _installDriveLabel;
   RadialProgressView* _progressView;
 
   NSString* _fileName;
@@ -107,6 +111,8 @@ NSString* GetSizeString(long long size_in_bytes) {
   [self.downloadControlsRow addSubview:self.progressView];
   [self.downloadControlsRow addSubview:self.actionButton];
   [self.installDriveControlsRow addSubview:self.installDriveButton];
+  [self.installDriveControlsRow addSubview:self.installDriveIcon];
+  [self.installDriveControlsRow addSubview:self.installDriveLabel];
   [self.installDriveControlsRow addSubview:self.horizontalLine];
 
   NamedGuide* actionButtonGuide =
@@ -225,6 +231,29 @@ NSString* GetSizeString(long long size_in_bytes) {
                        constant:-kElementMargin],
   ]];
 
+  // install google drive icon constraints.
+  UIImageView* installDriveIcon = self.installDriveIcon;
+  [NSLayoutConstraint activateConstraints:@[
+    [installDriveIcon.centerYAnchor
+        constraintEqualToAnchor:installDriveRow.centerYAnchor],
+    [installDriveIcon.leadingAnchor
+        constraintEqualToAnchor:installDriveRow.layoutMarginsGuide
+                                    .leadingAnchor],
+  ]];
+
+  // install google drive label constraints.
+  UILabel* installDriveLabel = self.installDriveLabel;
+  [NSLayoutConstraint activateConstraints:@[
+    [installDriveLabel.centerYAnchor
+        constraintEqualToAnchor:installDriveRow.centerYAnchor],
+    [installDriveLabel.leadingAnchor
+        constraintEqualToAnchor:installDriveIcon.trailingAnchor
+                       constant:kElementMargin],
+    [installDriveLabel.trailingAnchor
+        constraintLessThanOrEqualToAnchor:installDriveButton.leadingAnchor
+                                 constant:-kElementMargin],
+  ]];
+
   // constraint line which separates download controls and install drive rows.
   UIView* horizontalLine = self.horizontalLine;
   [NSLayoutConstraint activateConstraints:@[
@@ -401,6 +430,29 @@ NSString* GetSizeString(long long size_in_bytes) {
   return _installDriveButton;
 }
 
+- (UIImageView*)installDriveIcon {
+  if (!_installDriveIcon) {
+    _installDriveIcon = [[UIImageView alloc] initWithFrame:CGRectZero];
+    _installDriveIcon.translatesAutoresizingMaskIntoConstraints = NO;
+    _installDriveIcon.image = ios::GetChromeBrowserProvider()
+                                  ->GetBrandedImageProvider()
+                                  ->GetDownloadGoogleDriveImage();
+  }
+  return _installDriveIcon;
+}
+
+- (UILabel*)installDriveLabel {
+  if (!_installDriveLabel) {
+    _installDriveLabel = [[UILabel alloc] initWithFrame:CGRectZero];
+    _installDriveLabel.translatesAutoresizingMaskIntoConstraints = NO;
+    _installDriveLabel.font = [MDCTypography subheadFont];
+    _installDriveLabel.text =
+        l10n_util::GetNSString(IDS_IOS_DOWNLOAD_MANAGER_GOOGLE_DRIVE);
+    [_installDriveLabel sizeToFit];
+  }
+  return _installDriveLabel;
+}
+
 - (RadialProgressView*)progressView {
   if (!_progressView) {
     _progressView = [[RadialProgressView alloc] initWithFrame:CGRectZero];