Make enterprise startup dialog use new logo in dark mode.

Before:
https://drive.google.com/file/d/1MZ4wt7LW68CK-KqzLKgLKuZNNUBcrS59/view?usp=sharing
After:
https://drive.google.com/file/d/1uyUPqdoWE69pp18Q811GsY1JSxSBHMN3/view?usp=sharing

Bug: 990406
Change-Id: I674fa16a398f376bafd240bbc54e92786cd2372e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1742522Reviewed-by: Mitsuru Oshima <oshima@chromium.org>
Reviewed-by: Peter Boström <pbos@chromium.org>
Commit-Queue: Owen Min <zmin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#691661}

chrome/app/theme/theme_resources.grd

@@ -179,6 +179,7 @@
           <structure type="chrome_scaled_image" name="IDR_PRODUCT_LOGO_NAME_22" file="google_chrome/product_logo_name_22.png" />
         </if>
         <structure type="chrome_scaled_image" name="IDR_PRODUCT_LOGO_ENTERPRISE" file="google_chrome/product_logo_enterprise.png" />
+        <structure type="chrome_scaled_image" name="IDR_PRODUCT_LOGO_ENTERPRISE_WHITE" file="google_chrome/product_logo_enterprise_white.png" />
       </if>
       <if expr="not is_android">
         <structure type="chrome_scaled_image" name="IDR_PROFILE_AVATAR_0" file="common/profile_avatar_generic.png" />

chrome/browser/ui/views/policy/enterprise_startup_dialog_view.cc

@@ -178,9 +178,12 @@ std::unique_ptr<views::View> EnterpriseStartupDialogView::CreateExtraView() {
 #if BUILDFLAG(GOOGLE_CHROME_BRANDING)
   // Show Google Chrome Enterprise logo only for official build.
   auto logo_image = std::make_unique<views::ImageView>();
-  logo_image->SetImage(ui::ResourceBundle::GetSharedInstance()
-                           .GetImageNamed(IDR_PRODUCT_LOGO_ENTERPRISE)
-                           .AsImageSkia());
+  logo_image->SetImage(
+      ui::ResourceBundle::GetSharedInstance()
+          .GetImageNamed((logo_image->GetNativeTheme()->ShouldUseDarkColors())
+                             ? IDR_PRODUCT_LOGO_ENTERPRISE_WHITE
+                             : IDR_PRODUCT_LOGO_ENTERPRISE)
+          .AsImageSkia());
   logo_image->set_tooltip_text(
       l10n_util::GetStringUTF16(IDS_PRODUCT_LOGO_ENTERPRISE_ALT_TEXT));
   gfx::Rect logo_bounds = logo_image->GetImageBounds();