Add a flag to require a user gesture to add an entry to the back/forward list.

content/public/common/content_switches.h

 // 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.
 
 // Defines all the "content" command-line switches.
 
 #ifndef CONTENT_PUBLIC_COMMON_CONTENT_SWITCHES_H_
 #define CONTENT_PUBLIC_COMMON_CONTENT_SWITCHES_H_
 
 #include "build/build_config.h"
@@ skipping 156 matching lines @@
 CONTENT_EXPORT extern const char kForceDisplayList2dCanvas[];
 CONTENT_EXPORT extern const char kForceGpuRasterization[];
 CONTENT_EXPORT extern const char kForceOverlayFullscreenVideo[];
 CONTENT_EXPORT extern const char kForceRendererAccessibility[];
 CONTENT_EXPORT extern const char kGenerateAccessibilityTestExpectations[];
 extern const char kGpuLauncher[];
 CONTENT_EXPORT extern const char kGpuProcess[];
 CONTENT_EXPORT extern const char kGpuSandboxAllowSysVShm[];
 CONTENT_EXPORT extern const char kGpuSandboxFailuresFatal[];
 CONTENT_EXPORT extern const char kGpuStartupDialog[];
+CONTENT_EXPORT extern const char kHistoryEntryRequiresUserGesture[];
 CONTENT_EXPORT extern const char kHostResolverRules[];
 CONTENT_EXPORT extern const char kIgnoreCertificateErrors[];
 CONTENT_EXPORT extern const char kIgnoreGpuBlacklist[];
 CONTENT_EXPORT extern const char kInertVisualViewport[];
 CONTENT_EXPORT extern const char kInProcessGPU[];
 CONTENT_EXPORT extern const char kIPCConnectionTimeout[];
 CONTENT_EXPORT extern const char kIsRunningInMash[];
 CONTENT_EXPORT extern const char kJavaScriptFlags[];
 CONTENT_EXPORT extern const char kJavaScriptHarmony[];
 CONTENT_EXPORT extern const char kLogGpuControlListDecisions[];
@@ skipping 131 matching lines @@
 extern const char kIpcDumpDirectory[];
 extern const char kIpcFuzzerTestcase[];
 #endif
 
 // DON'T ADD RANDOM STUFF HERE. Put it in the main section above in
 // alphabetical order, or in one of the ifdefs (also in order in each section).
 
 }  // namespace switches
 
 #endif  // CONTENT_PUBLIC_COMMON_CONTENT_SWITCHES_H_