Remove --enable-input-mode-attribute flag

content/browser/renderer_host/render_process_host_impl.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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 1015 matching lines @@
     switches::kEnableExperimentalCanvasFeatures,
     switches::kEnableExperimentalWebPlatformFeatures,
     switches::kEnableExperimentalWebSocket,
     switches::kEnableFastTextAutosizing,
     switches::kEnableGPUClientLogging,
     switches::kEnableGpuClientTracing,
     switches::kEnableGPUServiceLogging,
     switches::kEnableHighDpiCompositingForFixedPosition,
     switches::kEnableHTMLImports,
     switches::kEnableInbandTextTracks,
-    switches::kEnableInputModeAttribute,
     switches::kEnableLayerSquashing,
     switches::kEnableLogging,
     switches::kEnableMP3StreamParser,
     switches::kEnableMemoryBenchmarking,
     switches::kEnableOverlayFullscreenVideo,
     switches::kEnableOverlayScrollbar,
     switches::kEnableOverscrollNotifications,
     switches::kEnablePinch,
     switches::kEnablePreparsedJsCaching,
     switches::kEnablePruneGpuCommandBuffers,
@@ skipping 1028 matching lines @@
     return;
   Send(new MediaStreamMsg_EnableAecDump(file_for_transit));
 }
 
 void RenderProcessHostImpl::SendDisableAecDumpToRenderer() {
   Send(new MediaStreamMsg_DisableAecDump());
 }
 #endif
 
 }  // namespace content