[DevTools] Swallow mouse up in inspect mode

third_party/WebKit/Source/web/InspectorOverlay.cpp

Index: third_party/WebKit/Source/web/InspectorOverlay.cpp
diff --git a/third_party/WebKit/Source/web/InspectorOverlay.cpp b/third_party/WebKit/Source/web/InspectorOverlay.cpp
index 3954ddced19d0a5f26d46eb7fbc5dd90bdb74a64..2eb72cfb4db52a9fda23a376a1fddfcb112e25d5 100644
--- a/third_party/WebKit/Source/web/InspectorOverlay.cpp
+++ b/third_party/WebKit/Source/web/InspectorOverlay.cpp
@@ -263,7 +263,9 @@ bool InspectorOverlay::HandleInputEvent(const WebInputEvent& input_event) {
     if (mouse_event.GetType() == WebInputEvent::kMouseMove)
       handled = HandleMouseMove(mouse_event);
     else if (mouse_event.GetType() == WebInputEvent::kMouseDown)
-      handled = HandleMousePress();
+      handled = HandleMouseDown();
+    else if (mouse_event.GetType() == WebInputEvent::kMouseUp)
+      handled = HandleMouseUp();
 
     if (handled)
       return true;
@@ -766,7 +768,11 @@ bool InspectorOverlay::HandleMouseMove(const WebMouseEvent& event) {
   return true;
 }
 
-bool InspectorOverlay::HandleMousePress() {
+bool InspectorOverlay::HandleMouseDown() {
+  return ShouldSearchForNode();

[pfeldman, 2017/04/14 00:37:39]

As of this moment, don't update hovered_node_for_inspect_mode_.

+}
+
+bool InspectorOverlay::HandleMouseUp() {
   if (!ShouldSearchForNode())
     return false;