Remove explicit keyword from multi-argument constructors

chrome/browser/download/download_browsertest.cc

 // Copyright (c) 2011 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 "base/file_path.h"
 #include "base/file_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/path_service.h"
 #include "base/scoped_temp_dir.h"
 #include "base/stl_util.h"
@@ skipping 316 matching lines @@
 //        IO threads.
 // This almost certainly means that a Download cancel has propagated through
 // the system.
 class DownloadsFlushObserver
     : public DownloadManager::Observer,
       public DownloadItem::Observer,
       public base::RefCountedThreadSafe<DownloadsFlushObserver> {
  public:
   explicit DownloadsFlushObserver(DownloadManager* download_manager)
       : download_manager_(download_manager),
-        waiting_for_zero_inprogress_(true) { }
+        waiting_for_zero_inprogress_(true) {}
 
   void WaitForFlush() {
     DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
     download_manager_->AddObserver(this);
     ui_test_utils::RunMessageLoop();
   }
 
   // DownloadsManager observer methods.
   virtual void ModelChanged() {
     // Model has changed, so there may be more DownloadItems to observe.
@@ skipping 471 matching lines @@
   // Location of the test data.
   FilePath test_dir_;
 
   // Location of the downloads directory for these tests
   ScopedTempDir downloads_directory_;
 };
 
 // Get History Information.
 class DownloadsHistoryDataCollector {
  public:
-  explicit DownloadsHistoryDataCollector(int64 download_db_handle,
-                                         DownloadManager* manager)
+  DownloadsHistoryDataCollector(int64 download_db_handle,
+                                DownloadManager* manager)
       : result_valid_(false),
         download_db_handle_(download_db_handle) {
     HistoryService* hs =
         manager->profile()->GetHistoryService(Profile::EXPLICIT_ACCESS);
     DCHECK(hs);
     hs->QueryDownloads(
         &callback_consumer_,
         NewCallback(this,
                     &DownloadsHistoryDataCollector::OnQueryDownloadsComplete));
 
@@ skipping 45 matching lines @@
   }
 
   virtual void OnInstallSuccess(const Extension* extension, SkBitmap* icon) {}
   virtual void OnInstallFailure(const std::string& error) {}
 };
 
 // Mock that simulates a permissions dialog where the user allows
 // installation.
 class MockAutoConfirmExtensionInstallUI : public ExtensionInstallUI {
  public:
-  explicit MockAutoConfirmExtensionInstallUI(Profile* profile) :
-      ExtensionInstallUI(profile) {}
+  explicit MockAutoConfirmExtensionInstallUI(Profile* profile)
+      : ExtensionInstallUI(profile) {}
 
   // Proceed without confirmation prompt.
   virtual void ConfirmInstall(Delegate* delegate, const Extension* extension) {
     delegate->InstallUIProceed();
   }
 
   virtual void OnInstallSuccess(const Extension* extension, SkBitmap* icon) {}
   virtual void OnInstallFailure(const std::string& error) {}
 };
 
@@ skipping 803 matching lines @@
   EXPECT_EQ(1u, observer->NumDangerousDownloadsSeen());
 
   // Download shelf should close. Download panel stays open on ChromeOS.
   CheckDownloadUI(browser(), false, true, FilePath());
 
   // Check that the extension was installed.
   ExtensionService* extension_service =
       browser()->profile()->GetExtensionService();
   ASSERT_TRUE(extension_service->GetExtensionById(kLargeThemeCrxId, false));
 }