[DevTools] Pass events to remote frames in inspect mode.

third_party/WebKit/Source/web/InspectorOverlay.cpp

 /*
  * Copyright (C) 2011 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 24 matching lines @@
 #include "bindings/core/v8/V8InspectorOverlayHost.h"
 #include "core/dom/Node.h"
 #include "core/dom/StaticNodeList.h"
 #include "core/dom/TaskRunnerHelper.h"
 #include "core/frame/FrameHost.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/LocalFrameClient.h"
 #include "core/frame/Settings.h"
 #include "core/frame/VisualViewport.h"
+#include "core/html/HTMLFrameOwnerElement.h"
 #include "core/input/EventHandler.h"
 #include "core/inspector/InspectorOverlayHost.h"
 #include "core/layout/api/LayoutViewItem.h"
 #include "core/loader/EmptyClients.h"
 #include "core/loader/FrameLoadRequest.h"
 #include "core/page/ChromeClient.h"
 #include "core/page/Page.h"
 #include "platform/ScriptForbiddenScope.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/paint/CullRect.h"
@@ skipping 673 matching lines @@
       node = &shadowRoot->host();
   }
 
   // Shadow roots don't have boxes - use host element instead.
   if (node && node->isShadowRoot())
     node = node->parentOrShadowHostNode();
 
   if (!node)
     return true;
 
+  if (node->isFrameOwnerElement()) {
+    HTMLFrameOwnerElement* frameOwner = toHTMLFrameOwnerElement(node);
+    if (frameOwner->contentFrame() &&
+        !frameOwner->contentFrame()->isLocalFrame()) {
+      // Do not consume event so that remote frame can handle it.
+      hideHighlight();
+      m_hoveredNodeForInspectMode.clear();
+      return false;
+    }
+  }
+
   Node* eventTarget = (event.modifiers() & WebInputEvent::ShiftKey)
                           ? hoveredNodeForEvent(frame, event, false)
                           : nullptr;
   if (eventTarget == node)
     eventTarget = nullptr;
 
   if (node && m_inspectModeHighlightConfig) {
     m_hoveredNodeForInspectMode = node;
     if (m_domAgent)
       m_domAgent->nodeHighlightedInOverlay(node);
@@ skipping 43 matching lines @@
 bool InspectorOverlay::shouldSearchForNode() {
   return m_inspectMode != InspectorDOMAgent::NotSearching;
 }
 
 void InspectorOverlay::inspect(Node* node) {
   if (m_domAgent)
     m_domAgent->inspect(node);
 }
 
 }  // namespace blink