MacViews: Allow force touch in views::Textfield

ui/views/cocoa/bridged_content_view.mm

Index: ui/views/cocoa/bridged_content_view.mm
diff --git a/ui/views/cocoa/bridged_content_view.mm b/ui/views/cocoa/bridged_content_view.mm
index 6d72fef5cf7ece1d35262f4b7b1a572622710f05..95d84887cf77f131efa7fb0f89c4dc0dc2763b3c 100644
--- a/ui/views/cocoa/bridged_content_view.mm
+++ b/ui/views/cocoa/bridged_content_view.mm
@@ -160,6 +160,12 @@ gfx::Rect GetFirstRectForRangeHelper(const ui::TextInputClient* client,
   return union_rect;
 }
 
+NSAttributedString* AttributedStringFromRenderText(
+    const gfx::RenderText* render_text,
+    const gfx::Range& range) {
+  return ...
+}
+
 }  // namespace
 
 @interface BridgedContentView ()
@@ -403,6 +409,28 @@ gfx::Rect GetFirstRectForRangeHelper(const ui::TextInputClient* client,
   hostedView_->GetWidget()->OnMouseEvent(&event);
 }
 
+- (void)forceTouchEvent:(NSEvent*)theEvent {
+  if (!textInputClient_ || !ui::ForceTouchInvokesQuickLook())
+    return;
+
+  ui::MouseEvent event(theEvent);
+  gfx::Range range;
+  gfx::Point baselinePoint;
+  const gfx::RenderText* renderText =
+      textInputClient_->GetStringAtPointInWindow(event.location(), &range,
+                                                 &baselinePoint);
+  if (!renderText)
+    return;
+
+  NSAttributedString* attributedString =
+      AttributedStringFromRenderText(renderText, range);
+
+  dispatch_async(dispatch_get_main_queue(), ^{
+    [self showDefinitionForAttributedString:attributedString
+                                    atPoint:baselinePoint];
+  });
+}
+
 // NSView implementation.
 
 - (BOOL)acceptsFirstResponder {