Drag-and-drop: DragEnter, DragOver, DragLeave, DragDrop

third_party/WebKit/Source/web/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/ui.gni")
 import("//testing/test.gni")
 import("//third_party/WebKit/Source/bindings/bindings.gni")
 import("//third_party/WebKit/Source/config.gni")
 import("//third_party/WebKit/Source/core/core.gni")
 import("//third_party/WebKit/Source/modules/modules.gni")
@@ skipping 160 matching lines @@
     "WebFormControlElement.cpp",
     "WebFormElement.cpp",
     "WebFrame.cpp",
     "WebFrameClient.cpp",
     "WebFrameContentDumper.cpp",
     "WebFrameImplBase.cpp",
     "WebFrameImplBase.h",
     "WebFrameSerializer.cpp",
     "WebFrameSerializerImpl.cpp",
     "WebFrameSerializerImpl.h",
+    "WebFrameWidgetBase.cpp",
     "WebFrameWidgetBase.h",
     "WebFrameWidgetImpl.cpp",
     "WebFrameWidgetImpl.h",
     "WebHeap.cpp",
     "WebHelperPluginImpl.cpp",
     "WebHelperPluginImpl.h",
     "WebHistoryItem.cpp",
     "WebHitTestResult.cpp",
     "WebIDBKey.cpp",
     "WebIDBKeyRange.cpp",
@@ skipping 236 matching lines @@
 
   if (is_android) {
     deps += [
       "//base:base_java",
       "//content/public/android:content_java",
       "//content/shell/android:content_shell_assets",
       "//net/android:net_java",
     ]
   }
 }