Add an empty Android implementation of the PhysicalWebDataSource

chrome/test/base/testing_browser_process.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 "chrome/test/base/testing_browser_process.h"
 
 #include "base/strings/string_util.h"
 #include "base/time/default_clock.h"
 #include "base/time/default_tick_clock.h"
 #include "build/build_config.h"
@@ skipping 364 matching lines @@
   return tab_manager_.get();
 #else
   return nullptr;
 #endif
 }
 
 shell_integration::DefaultWebClientState
 TestingBrowserProcess::CachedDefaultWebClientState() {
   return shell_integration::UNKNOWN_DEFAULT;
 }
+
+PhysicalWebDataSource*
+TestingBrowserProcess::GetPhysicalWebDataSource() {
+  return nullptr;
+}
+
 void TestingBrowserProcess::SetSystemRequestContext(
     net::URLRequestContextGetter* context_getter) {
   system_request_context_ = context_getter;
 }
 
 void TestingBrowserProcess::SetNotificationUIManager(
     std::unique_ptr<NotificationUIManager> notification_ui_manager) {
   notification_ui_manager_.swap(notification_ui_manager);
 }
 
@@ skipping 52 matching lines @@
 
 ///////////////////////////////////////////////////////////////////////////////
 
 TestingBrowserProcessInitializer::TestingBrowserProcessInitializer() {
   TestingBrowserProcess::CreateInstance();
 }
 
 TestingBrowserProcessInitializer::~TestingBrowserProcessInitializer() {
   TestingBrowserProcess::DeleteInstance();
 }