Remove --enable-speech-synthesis 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 1114 matching lines @@
     switches::kEnableOneCopy,
     switches::kEnableOverlayFullscreenVideo,
     switches::kEnableOverlayScrollbar,
     switches::kEnableOverscrollNotifications,
     switches::kEnablePinch,
     switches::kEnablePreciseMemoryInfo,
     switches::kEnablePreparsedJsCaching,
     switches::kEnableSeccompFilterSandbox,
     switches::kEnableSkiaBenchmarking,
     switches::kEnableSmoothScrolling,
-    switches::kEnableSpeechSynthesis,
     switches::kEnableStatsTable,
     switches::kEnableStrictSiteIsolation,
     switches::kEnableTargetedStyleRecalc,
     switches::kEnableThreadedCompositing,
     switches::kEnableTouchDragDrop,
     switches::kEnableTouchEditing,
     switches::kEnableViewport,
     switches::kEnableViewportMeta,
     switches::kEnableVtune,
     switches::kEnableWebAnimationsSVG,
@@ skipping 1179 matching lines @@
 }
 
 void RenderProcessHostImpl::OnDeletedGpuMemoryBuffer(
     gfx::GpuMemoryBufferType type,
     const gfx::GpuMemoryBufferId& id) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   GpuMemoryBufferImpl::DeletedByChildProcess(type, id, GetHandle());
 }
 
 }  // namespace content