remove unused kDisableMediaHistoryLogging flags

Review URL: https://codereview.chromium.org/299473002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@271599 0039d316-1c4b-4281-b951-d872f2087c98

content/browser/renderer_host/render_process_host_impl.cc

@@ -1214,9 +1214,6 @@ void RenderProcessHostImpl::PropagateBrowserCommandLineToRenderer(
   if (GetBrowserContext()->IsOffTheRecord() &&
       !browser_cmd.HasSwitch(switches::kDisableDatabases)) {
     renderer_cmd->AppendSwitch(switches::kDisableDatabases);
-#if defined(OS_ANDROID)
-    renderer_cmd->AppendSwitch(switches::kDisableMediaHistoryLogging);
-#endif
   }
 
   // Enforce the extra command line flags for impl-side painting.

content/public/common/content_switches.cc

@@ -960,9 +960,6 @@ const char kDisableGestureRequirementForMediaFullscreen[] =
 const char kDisableGestureRequirementForMediaPlayback[] =
     "disable-gesture-requirement-for-media-playback";
 
-// Disable history logging for media elements.
-const char kDisableMediaHistoryLogging[]    = "disable-media-history";
-
 // Disable the click delay by sending click events during double tap.
 const char kDisableClickDelay[]             = "disable-click-delay";
 

content/public/common/content_switches.h

@@ -274,7 +274,6 @@ CONTENT_EXPORT extern const char kEnableWebRtcHWVp8Encoding[];
 #if defined(OS_ANDROID)
 CONTENT_EXPORT extern const char kDisableGestureRequirementForMediaFullscreen[];
 CONTENT_EXPORT extern const char kDisableGestureRequirementForMediaPlayback[];
-extern const char kDisableMediaHistoryLogging[];
 CONTENT_EXPORT extern const char kDisableClickDelay[];
 CONTENT_EXPORT extern const char kDisableOverscrollEdgeEffect[];
 CONTENT_EXPORT extern const char kDisableWebRTC[];