Remove non-impl-side painting as an option for blink.

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 1023 matching lines @@
       static_cast<WebSettings::PointerType>(prefs.primary_pointer_type));
   settings->setAvailableHoverTypes(prefs.available_hover_types);
   settings->setPrimaryHoverType(
       static_cast<WebSettings::HoverType>(prefs.primary_hover_type));
   settings->setDeviceSupportsTouch(prefs.device_supports_touch);
   settings->setDeviceSupportsMouse(prefs.device_supports_mouse);
   settings->setEnableTouchAdjustment(prefs.touch_adjustment_enabled);
   settings->setMultiTargetTapNotificationEnabled(
       switches::IsLinkDisambiguationPopupEnabled());
 
-  settings->setDeferredImageDecodingEnabled(
-      prefs.deferred_image_decoding_enabled);
+  // TODO(danakj): Remove this it's always true.
+  settings->setDeferredImageDecodingEnabled(true);
   WebRuntimeFeatures::enableImageColorProfiles(
       prefs.image_color_profiles_enabled);
   settings->setShouldRespectImageOrientation(
       prefs.should_respect_image_orientation);
 
   settings->setUnsafePluginPastingEnabled(false);
   settings->setEditingBehavior(
       static_cast<WebSettings::EditingBehavior>(prefs.editing_behavior));
 
   settings->setSupportsMultipleWindows(prefs.supports_multiple_windows);
@@ skipping 2724 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