Add machinery to show touch editing context menus in OOPIFs.

third_party/WebKit/public/web/WebWidget.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef WebWidget_h
 #define WebWidget_h
 
+#include "WebCompositionUnderline.h"
+#include "WebMenuSourceType.h"
+#include "WebRange.h"
+#include "WebTextDirection.h"

[dcheng, 2017/05/26 17:18:45]

Btw since clang-format is changing these anyway, do you mind qualifying them
with public/platform?

(sorry, scope creep)

 #include "public/platform/WebBrowserControlsState.h"
 #include "public/platform/WebCanvas.h"
 #include "public/platform/WebCommon.h"
 #include "public/platform/WebFloatSize.h"
 #include "public/platform/WebInputEventResult.h"
 #include "public/platform/WebPoint.h"
 #include "public/platform/WebRect.h"
 #include "public/platform/WebSize.h"
 #include "public/platform/WebTextInputInfo.h"
-#include "WebCompositionUnderline.h"
-#include "WebRange.h"
-#include "WebTextDirection.h"
 
 namespace blink {
 
 class WebCompositeAndReadbackAsyncCallback;
 class WebCoalescedInputEvent;
 class WebLayoutAndPaintAsyncCallback;
 class WebPagePopup;
 struct WebPoint;
 template <typename T>
 class WebVector;
@@ skipping 161 matching lines @@
                                           WebBrowserControlsState current,
                                           bool animate) {}
 
   // Populate |bounds| with the composition character bounds for the ongoing
   // composition. Returns false if there is no focused input or any ongoing
   // composition.
   virtual bool GetCompositionCharacterBounds(WebVector<WebRect>& bounds) {
     return false;
   }
 
+  // Called by client to request showing the context menu.
+  virtual void ShowContextMenu(WebMenuSourceType) {}
+
  protected:
   ~WebWidget() {}
 };
 
 }  // namespace blink
 
 #endif