[DevTools] Remove InspectorOverlayHost::LayoutEditorListener.

Source/core/inspector/InspectorOverlayHost.cpp

Index: Source/core/inspector/InspectorOverlayHost.cpp
diff --git a/Source/core/inspector/InspectorOverlayHost.cpp b/Source/core/inspector/InspectorOverlayHost.cpp
index 29ad4025220f5f033fa036b89afdaa97c54476ed..d14c52e251c43c64b48b8a6186ed067eacc64d33 100644
--- a/Source/core/inspector/InspectorOverlayHost.cpp
+++ b/Source/core/inspector/InspectorOverlayHost.cpp
@@ -33,8 +33,7 @@
 namespace blink {
 
 InspectorOverlayHost::InspectorOverlayHost()
-    : m_debuggerListener(nullptr)
-    , m_layoutEditorListener(nullptr)
+    : m_listener(nullptr)
 {
 }
 
@@ -44,38 +43,37 @@ InspectorOverlayHost::~InspectorOverlayHost()
 
 void InspectorOverlayHost::resume()
 {
-    if (m_debuggerListener)
-        m_debuggerListener->overlayResumed();
+    if (m_listener)
+        m_listener->overlayResumed();
 }
 
 void InspectorOverlayHost::stepOver()
 {
-    if (m_debuggerListener)
-        m_debuggerListener->overlaySteppedOver();
+    if (m_listener)
+        m_listener->overlaySteppedOver();
 }
 
 void InspectorOverlayHost::startPropertyChange(const String& anchorName)
 {
-    if (m_layoutEditorListener)
-        m_layoutEditorListener->overlayStartedPropertyChange(anchorName);
+    if (m_listener)
+        m_listener->overlayStartedPropertyChange(anchorName);
 }
 
 void InspectorOverlayHost::changeProperty(float delta)
 {
-    if (m_layoutEditorListener)
-        m_layoutEditorListener->overlayPropertyChanged(delta);
+    if (m_listener)
+        m_listener->overlayPropertyChanged(delta);
 }
 
 void InspectorOverlayHost::endPropertyChange()
 {
-    if (m_layoutEditorListener)
-        m_layoutEditorListener->overlayEndedPropertyChange();
+    if (m_listener)
+        m_listener->overlayEndedPropertyChange();
 }
 
 DEFINE_TRACE(InspectorOverlayHost)
 {
-    visitor->trace(m_debuggerListener);
-    visitor->trace(m_layoutEditorListener);
+    visitor->trace(m_listener);
 }
 
 } // namespace blink