cc: Remove all impl-side caps from RendererCapabilitiesImpl.

cc/output/renderer_capabilities.cc

 // Copyright 2015 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 "cc/output/renderer_capabilities.h"
 
 namespace cc {
 
 RendererCapabilities::RendererCapabilities(ResourceFormat best_texture_format,
-                                           bool allow_partial_texture_updates,
                                            int max_texture_size,
                                            bool using_shared_memory_resources)
     : best_texture_format(best_texture_format),
-      allow_partial_texture_updates(allow_partial_texture_updates),
       max_texture_size(max_texture_size),
       using_shared_memory_resources(using_shared_memory_resources) {
 }
 
-RendererCapabilities::RendererCapabilities()
-    : best_texture_format(RGBA_8888),
-      allow_partial_texture_updates(false),
-      max_texture_size(0),
-      using_shared_memory_resources(false) {
-}
-
-RendererCapabilities::~RendererCapabilities() {
-}
+RendererCapabilities::RendererCapabilities() = default;
+RendererCapabilities::~RendererCapabilities() = default;
 
 }  // namespace cc