When LCD disabled, enable compositing features that interact with LCD.

content/renderer/render_view_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.
 
 #include "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/auto_reset.h"
@@ skipping 387 matching lines @@
 #endif
 
 }
 
 static bool PreferCompositingToLCDText(float device_scale_factor) {
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
   if (command_line.HasSwitch(switches::kDisablePreferCompositingToLCDText))
     return false;
   if (command_line.HasSwitch(switches::kEnablePreferCompositingToLCDText))
     return true;
+  if (RenderThreadImpl::current() &&
+      !RenderThreadImpl::current()->is_lcd_text_enabled())
+    return true;
   return DeviceScaleEnsuresTextQuality(device_scale_factor);
 }
 
 static bool ShouldUseAcceleratedCompositingForOverflowScroll(
     float device_scale_factor) {
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
 
   if (command_line.HasSwitch(switches::kDisableAcceleratedOverflowScroll))
     return false;
 
@@ skipping 3914 matching lines @@
     std::vector<gfx::Size> sizes;
     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
     if (!url.isEmpty())
       urls.push_back(
           FaviconURL(url, ToFaviconType(icon_urls[i].iconType()), sizes));
   }
   SendUpdateFaviconURL(urls);
 }
 
 }  // namespace content