Remove platform/Widget.h, it is now fully renamed to platform/FrameViewBase.h

third_party/WebKit/Source/platform/BUILD.gn

 # Copyright 2014 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("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//testing/libfuzzer/fuzzer_test.gni")
 import("//testing/test.gni")
 import("//third_party/WebKit/public/public_features.gni")
 import("//third_party/WebKit/Source/build/scripts/scripts.gni")
@@ skipping 295 matching lines @@
     "WebMouseWheelEvent.cpp",
     "WebScheduler.cpp",
     "WebTaskRunner.cpp",
     "WebTaskRunner.h",
     "WebTextInputInfo.cpp",
     "WebThread.cpp",
     "WebThreadSupportingGC.cpp",
     "WebThreadSupportingGC.h",
     "WebTouchEvent.cpp",
     "WebURLLoader.cpp",
-    "Widget.h",
     "WindowsKeyboardCodes.h",
     "animation/AnimationTranslationUtil.cpp",
     "animation/AnimationTranslationUtil.h",
     "animation/AnimationUtilities.h",
     "animation/CompositorAnimation.cpp",
     "animation/CompositorAnimation.h",
     "animation/CompositorAnimationCurve.h",
     "animation/CompositorAnimationDelegate.h",
     "animation/CompositorAnimationHost.cpp",
     "animation/CompositorAnimationHost.h",
@@ skipping 1749 matching lines @@
     "//third_party/WebKit/Source:config",
     "//third_party/WebKit/Source:inside_blink",
   ]
 
   deps = [
     ":test_support",
     "//testing/gmock",
     "//testing/gtest",
   ]
 }