Remove the allow-displaying-mixed-content setting from Blink.

chrome/browser/prefs/browser_prefs.cc

 // Copyright 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/browser/prefs/browser_prefs.h"
 
 #include <string>
 
 #include "base/files/file_util.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 291 matching lines @@
 const char kNetworkPredictionEnabled[] = "dns_prefetching.enabled";
 const char kDisableSpdy[] = "spdy.disabled";
 
 // Deprecated 8/2016.
 const char kRecentlySelectedEncoding[] = "profile.recently_selected_encodings";
 const char kStaticEncodings[] = "intl.static_encodings";
 
 // Deprecated 9/2016.
 const char kWebKitUsesUniversalDetector[] =
     "webkit.webprefs.uses_universal_detector";
+const char kWebKitAllowDisplayingInsecureContent[] =
+    "webkit.webprefs.allow_displaying_insecure_content";
 
 void DeleteWebRTCIdentityStoreDBOnFileThread(
     const base::FilePath& profile_path) {
   base::DeleteFile(profile_path.Append(
       FILE_PATH_LITERAL("WebRTCIdentityStore")), false);
   base::DeleteFile(profile_path.Append(
       FILE_PATH_LITERAL("WebRTCIdentityStore-journal")), false);
 }
 
 void DeleteWebRTCIdentityStoreDB(const Profile& profile) {
@@ skipping 325 matching lines @@
   registry->RegisterBooleanPref(kCheckDefaultBrowser, true);
 
   registry->RegisterBooleanPref(kDesktopSearchRedirectionInfobarShownPref,
                                 false);
 
   registry->RegisterBooleanPref(kNetworkPredictionEnabled, true);
   registry->RegisterBooleanPref(kDisableSpdy, false);
   registry->RegisterStringPref(kStaticEncodings, std::string());
   registry->RegisterStringPref(kRecentlySelectedEncoding, std::string());
   registry->RegisterBooleanPref(kWebKitUsesUniversalDetector, true);
+
+  registry->RegisterBooleanPref(kWebKitAllowDisplayingInsecureContent, true);
 }
 
 void RegisterUserProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
   RegisterProfilePrefs(registry);
 
 #if defined(OS_CHROMEOS)
   chromeos::PowerPrefs::RegisterUserProfilePrefs(registry);
 #endif
 }
 
@@ skipping 87 matching lines @@
   DeleteWebRTCIdentityStoreDB(*profile);
   profile_prefs->ClearPref(kNetworkPredictionEnabled);
   profile_prefs->ClearPref(kDisableSpdy);
 
   // Added 8/2016.
   profile_prefs->ClearPref(kStaticEncodings);
   profile_prefs->ClearPref(kRecentlySelectedEncoding);
 
   // Added 9/2016.
   profile_prefs->ClearPref(kWebKitUsesUniversalDetector);
+  profile_prefs->ClearPref(kWebKitAllowDisplayingInsecureContent);
 }
 
 }  // namespace chrome