[FastTextAutosizer] Enable FastTextAutosizer on tot/dev by default

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 1023 matching lines @@
     switches::kDisableAcceleratedFixedRootBackground,
     switches::kDisableAcceleratedVideoDecode,
     switches::kDisableApplicationCache,
     switches::kDisableBreakpad,
     switches::kDisableCompositingForFixedPosition,
     switches::kDisableCompositingForTransition,
     switches::kDisableDatabases,
     switches::kDisableDelegatedRenderer,
     switches::kDisableDesktopNotifications,
     switches::kDisableDirectNPAPIRequests,
+    switches::kDisableFastTextAutosizing,
     switches::kDisableFileSystem,
     switches::kDisableFiltersOverIPC,
     switches::kDisableGpu,
     switches::kDisableGpuCompositing,
     switches::kDisableGpuRasterization,
     switches::kDisableGpuVsync,
     switches::kDisableLowResTiling,
     switches::kDisableHistogramCustomizer,
     switches::kDisableImplSidePainting,
     switches::kDisableLCDText,
@@ skipping 1119 matching lines @@
         child_process_launcher_->GetHandle();
     base::PlatformFile client_file =
         PlatformFileFromScopedPlatformHandle(channel_pair.PassClientHandle());
     Send(new MojoMsg_ChannelCreated(
              IPC::GetFileHandleForProcess(client_file, process_handle, true)));
   }
 }
 #endif
 
 }  // namespace content