GeometryInterface: Add DOMMatrixInit and fromMatrix().

third_party/WebKit/Source/core/core_idl_files.gni

 # Copyright 2016 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.
 
 import("//third_party/WebKit/Source/bindings/bindings.gni")
 import("//third_party/WebKit/Source/core/core.gni")
 
 # The paths in this file are absolute since this file is imported and the
 # file lists must be valid from multple "current directories".
 
@@ skipping 495 matching lines @@
     get_path_info([
                     "animation/AnimationEffectTimingProperties.idl",
                     "animation/ComputedTimingProperties.idl",
                     "animation/KeyframeEffectOptions.idl",
                     "css/FontFaceDescriptors.idl",
                     "css/FontFaceSetLoadEventInit.idl",
                     "css/MediaQueryListEventInit.idl",
                     "css/PropertyDescriptor.idl",
                     "css/cssom/CSSCalcDictionary.idl",
                     "dom/DOMPointInit.idl",
+                    "dom/DOMMatrixInit.idl",
                     "dom/ElementRegistrationOptions.idl",
                     "dom/GetRootNodeOptions.idl",
                     "dom/IdleRequestOptions.idl",
                     "dom/IntersectionObserverInit.idl",
                     "dom/MutationObserverInit.idl",
                     "dom/shadow/ShadowRootInit.idl",
                     "dom/TouchInit.idl",
                     "events/AddEventListenerOptions.idl",
                     "events/AnimationEventInit.idl",
                     "events/AnimationPlayerEventInit.idl",
@@ skipping 101 matching lines @@
 core_generated_interface_idl_files = generated_webcore_testing_idl_files  # interfaces
 core_generated_dependency_idl_files =
     core_global_constructors_generated_idl_files  # partial interfaces
 
 # Dependency IDL files: don't generate individual bindings, but do process
 # in IDL dependency computation, and count as build dependencies
 # 'core_dependency_idl_files' is already used in Source/core, so avoid
 # collision
 core_all_dependency_idl_files =
     core_static_dependency_idl_files + core_generated_dependency_idl_files