Look Up on Force Touch

third_party/WebKit/Source/web/WebViewImpl.cpp

Index: third_party/WebKit/Source/web/WebViewImpl.cpp
diff --git a/third_party/WebKit/Source/web/WebViewImpl.cpp b/third_party/WebKit/Source/web/WebViewImpl.cpp
index 7be5f1006676c7800988794aeae343f3fe494fa6..eecb51a19943301cf1b4ce408876589c3672f2cc 100644
--- a/third_party/WebKit/Source/web/WebViewImpl.cpp
+++ b/third_party/WebKit/Source/web/WebViewImpl.cpp
@@ -42,6 +42,7 @@
 #include "core/editing/Editor.h"
 #include "core/editing/FrameSelection.h"
 #include "core/editing/InputMethodController.h"
+#include "core/editing/SelectionController.h"
 #include "core/editing/iterators/TextIterator.h"
 #include "core/editing/markers/DocumentMarkerController.h"
 #include "core/editing/serializers/HTMLInterchange.h"
@@ -2256,6 +2257,22 @@ WebInputEventResult WebViewImpl::handleInputEvent(const WebInputEvent& inputEven
     return WebInputEventResult::NotHandled;
 }
 
+bool WebViewImpl::selectWordIfAnyAt(const WebPoint& position)
+{
+    HitTestResult result = hitTestResultForRootFramePos(position);
+    Frame* targetFrame;
+    if (result.innerNodeOrImageMapImage())
+        targetFrame = result.innerNodeOrImageMapImage()->document().frame();
+    else
+        targetFrame = m_page->focusController().focusedOrMainFrame();
+
+    if (!targetFrame->isLocalFrame())
+        return false;
+
+    LocalFrame* localFrame = toLocalFrame(targetFrame);
+    return localFrame->eventHandler().selectionController().selectWordAtPositionIfAny(result);
+}
+
 void WebViewImpl::setCursorVisibilityState(bool isVisible)
 {
     if (m_page)