[WebView] initial webview-side implementation of safebrowsing

android_webview/lib/main/aw_main_delegate.cc

 // Copyright (c) 2012 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 "android_webview/lib/main/aw_main_delegate.h"
 
 #include <memory>
 
 #include "android_webview/browser/aw_content_browser_client.h"
 #include "android_webview/browser/browser_view_renderer.h"
@@ skipping 13 matching lines @@
 #include "android_webview/renderer/aw_content_renderer_client.h"
 #include "base/android/apk_assets.h"
 #include "base/command_line.h"
 #include "base/cpu.h"
 #include "base/i18n/icu_util.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/threading/thread_restrictions.h"
 #include "cc/base/switches.h"
 #include "components/crash/content/app/breakpad_linux.h"
+#include "components/safe_browsing_db/android/safe_browsing_api_handler_bridge.h"
 #include "components/spellcheck/common/spellcheck_features.h"
 #include "content/public/browser/android/browser_media_player_manager_register.h"
 #include "content/public/browser/browser_main_runner.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/common/content_descriptors.h"
 #include "content/public/common/content_features.h"
 #include "content/public/common/content_switches.h"
 #include "gin/public/isolate_holder.h"
 #include "gin/v8_initializer.h"
 #include "gpu/command_buffer/service/gpu_switches.h"
@@ skipping 104 matching lines @@
     cl->AppendSwitch(switches::kDisableRendererBackgrounding);
   }
 
   CommandLineHelper::AddEnabledFeature(
       *cl, spellcheck::kAndroidSpellCheckerNonLowEnd.name);
 
   CommandLineHelper::AddDisabledFeature(*cl, features::kWebPayments.name);
 
   android_webview::RegisterPathProvider();
 
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kWebViewEnableSafeBrowsingSupport)) {
+    safe_browsing_api_handler_.reset(
+        new safe_browsing::SafeBrowsingApiHandlerBridge());
+    safe_browsing::SafeBrowsingApiHandler::SetInstance(
+        safe_browsing_api_handler_.get());
+  }
+
   return false;
 }
 
 void AwMainDelegate::PreSandboxStartup() {
 #if defined(ARCH_CPU_ARM_FAMILY)
   // Create an instance of the CPU class to parse /proc/cpuinfo and cache
   // cpu_brand info.
   base::CPU cpu_info;
 #endif
 
@@ skipping 103 matching lines @@
 
 AwWebPreferencesPopulater* AwMainDelegate::CreateWebPreferencesPopulater() {
   return new AwWebPreferencesPopulaterImpl();
 }
 
 AwLocaleManager* AwMainDelegate::CreateAwLocaleManager() {
   return new AwLocaleManagerImpl();
 }
 
 }  // namespace android_webview