s/\bArc\b/ARC/g for ARC related code.

chrome/browser/ui/app_list/arc/arc_app_unittest.cc

 // Copyright 2015 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.
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
 #include <map>
 #include <memory>
@@ skipping 100 matching lines @@
     ArcAppIcon::DisableSafeDecodingForTesting();
   }
 
   void TearDown() override {
     arc_test_.TearDown();
     ResetBuilder();
   }
 
  protected:
   // Notifies that initial preparation is done, profile is ready and it is time
-  // to initialize Arc subsystem.
+  // to initialize ARC subsystem.
   virtual void OnBeforeArcTestSetup() {}
 
   // Creates a new builder, destroying any existing one.
   void CreateBuilder() {
     ResetBuilder();  // Destroy any existing builder in the correct order.
 
     model_.reset(new app_list::AppListModel);
     controller_.reset(new test::TestAppListControllerDelegate);
     builder_.reset(new ArcAppModelBuilder(controller_.get()));
     builder_->InitializeWithProfile(profile_.get(), model_.get());
@@ skipping 163 matching lines @@
           std::find(ids.begin(), ids.end(), id);
       ASSERT_NE(it_id, ids.end());
       ids.erase(it_id);
 
       std::unique_ptr<ArcAppListPrefs::AppInfo> app_info = prefs->GetApp(id);
       ASSERT_NE(nullptr, app_info.get());
       EXPECT_EQ(ready, app_info->ready);
     }
   }
 
-  // Validates that provided image is acceptable as Arc app icon.
+  // Validates that provided image is acceptable as ARC app icon.
   void ValidateIcon(const gfx::ImageSkia& image) {
     EXPECT_EQ(app_list::kGridIconDimension, image.width());
     EXPECT_EQ(app_list::kGridIconDimension, image.height());
 
     const std::vector<ui::ScaleFactor>& scale_factors =
         ui::GetSupportedScaleFactors();
     for (auto& scale_factor : scale_factors) {
       const float scale = ui::GetScaleForScaleFactor(scale_factor);
       EXPECT_TRUE(image.HasRepresentation(scale));
       const gfx::ImageSkiaRep& representation = image.GetRepresentation(scale);
@@ skipping 1043 matching lines @@
   const ArcAppListPrefs* const prefs = ArcAppListPrefs::Get(profile_.get());
   ASSERT_TRUE(prefs);
 
   // There is no default app for managed users except Play Store
   for (const auto& app : fake_default_apps()) {
     const std::string app_id = ArcAppTest::GetAppId(app);
     EXPECT_FALSE(prefs->IsRegistered(app_id));
     EXPECT_FALSE(prefs->GetApp(app_id));
   }
 }