hide webstore icon in the newtab page

chrome/app/visual_elements_resources/tangled.VisualElementsManifest.xml

+<!-- This is only meant to be copied by chrome.exe in developer builds. -->
+<Application xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <VisualElements
+    BackgroundColor="#212121"
+    ShowNameOnSquare150x150Logo="on"
+    ForegroundText="light"
+    Square150x150Logo="Logo.png"
+    Square70x70Logo="SmallLogo.png"
+    Square44x44Logo="SmallLogo.png"/>
+</Application>

chrome/browser/resources/new_tab_page/app.html

@@ -278,11 +278,6 @@
             use-title-pill$="[[theme_.shortcutUseTitlePill]]">
         </ntp-most-visited>
       </template>
-      <template is="dom-if" if="[[middleSlotPromoEnabled_]]">
-        <ntp-middle-slot-promo
-            on-ntp-middle-slot-promo-loaded="onMiddleSlotPromoLoaded_">
-        </ntp-middle-slot-promo>
-      </template>
       <template is="dom-repeat" items="[[moduleDescriptors_]]" id="modules"
           on-dom-change="onModulesLoaded_">
         <ntp-module-wrapper descriptor="[[item]]"

chrome/browser/supervised_user/supervised_user_pref_store.cc

@@ -122,7 +122,7 @@ void SupervisedUserPrefStore::OnNewSettingsAvailable(
     prefs_->SetBoolean(prefs::kForceGoogleSafeSearch, true);
     prefs_->SetInteger(prefs::kForceYouTubeRestrict,
                        safe_search_util::YOUTUBE_RESTRICT_MODERATE);
-    prefs_->SetBoolean(prefs::kHideWebStoreIcon, false);
+    prefs_->SetBoolean(prefs::kHideWebStoreIcon, true);
     prefs_->SetBoolean(prefs::kSigninAllowed, false);
     prefs_->SetBoolean(feed::prefs::kEnableSnippets, false);
 

chrome/browser/ui/browser_ui_prefs.cc

@@ -104,7 +104,7 @@ void RegisterBrowserUserPrefs(user_prefs::PrefRegistrySyncable* registry) {
   // We need to register the type of these preferences in order to query
   // them even though they're only typically controlled via policy.
   registry->RegisterBooleanPref(prefs::kClearPluginLSODataEnabled, true);
-  registry->RegisterBooleanPref(prefs::kHideWebStoreIcon, false);
+  registry->RegisterBooleanPref(prefs::kHideWebStoreIcon, true);
   registry->RegisterBooleanPref(prefs::kSharedClipboardEnabled, true);
 
 #if BUILDFLAG(ENABLE_CLICK_TO_CALL)