Remove NetPrefObserver class and two prefs that do not do anything.

chrome/browser/policy/cloud/cloud_policy_browsertest.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 <memory>
 
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
@@ skipping 466 matching lines @@
   em::ChromeSettingsProto chrome_settings;
   chrome_settings.mutable_homepagelocation()->set_homepagelocation(
       "chromium.org");
   chrome_settings.mutable_showhomebutton()->set_showhomebutton(true);
   chrome_settings.mutable_restoreonstartup()->set_restoreonstartup(4);
   em::StringList* list =
       chrome_settings.mutable_disabledschemes()->mutable_disabledschemes();
   list->add_entries("ftp");
   list->add_entries("mailto");
   // Try explicitly setting a policy mode too.
-  chrome_settings.mutable_disablespdy()->set_disablespdy(false);
-  chrome_settings.mutable_disablespdy()->mutable_policy_options()->set_mode(
-      em::PolicyOptions::MANDATORY);
+  chrome_settings.mutable_searchsuggestenabled()->set_searchsuggestenabled(
+      false);
+  chrome_settings.mutable_searchsuggestenabled()
+      ->mutable_policy_options()
+      ->set_mode(em::PolicyOptions::MANDATORY);
   chrome_settings.mutable_syncdisabled()->set_syncdisabled(true);
   chrome_settings.mutable_syncdisabled()->mutable_policy_options()->set_mode(
       em::PolicyOptions::RECOMMENDED);
 
   // Build an equivalent CloudPolicySettings message.
   em::CloudPolicySettings cloud_policy;
   cloud_policy.mutable_homepagelocation()->set_value("chromium.org");
   cloud_policy.mutable_showhomebutton()->set_value(true);
   cloud_policy.mutable_restoreonstartup()->set_value(4);
   list = cloud_policy.mutable_disabledschemes()->mutable_value();
   list->add_entries("ftp");
   list->add_entries("mailto");
-  cloud_policy.mutable_disablespdy()->set_value(false);
-  cloud_policy.mutable_disablespdy()->mutable_policy_options()->set_mode(
-      em::PolicyOptions::MANDATORY);
+  cloud_policy.mutable_searchsuggestenabled()->set_value(false);
+  cloud_policy.mutable_searchsuggestenabled()
+      ->mutable_policy_options()
+      ->set_mode(em::PolicyOptions::MANDATORY);
   cloud_policy.mutable_syncdisabled()->set_value(true);
   cloud_policy.mutable_syncdisabled()->mutable_policy_options()->set_mode(
       em::PolicyOptions::RECOMMENDED);
 
   // They should now serialize to the same bytes.
   std::string chrome_settings_serialized;
   std::string cloud_policy_serialized;
   ASSERT_TRUE(chrome_settings.SerializeToString(&chrome_settings_serialized));
   ASSERT_TRUE(cloud_policy.SerializeToString(&cloud_policy_serialized));
   EXPECT_EQ(chrome_settings_serialized, cloud_policy_serialized);
 }
 
 }  // namespace policy