Devtools: Margin resizer in overlay experiment

Source/core/inspector/InspectorCSSAgent.cpp

Index: Source/core/inspector/InspectorCSSAgent.cpp
diff --git a/Source/core/inspector/InspectorCSSAgent.cpp b/Source/core/inspector/InspectorCSSAgent.cpp
index 8dd1998e4dd1af74fccab6cf920fcda35449c24f..2cfbd70d68f45546425aa5f3cc9234f097fa1317 100644
--- a/Source/core/inspector/InspectorCSSAgent.cpp
+++ b/Source/core/inspector/InspectorCSSAgent.cpp
@@ -435,7 +435,7 @@ CSSMediaRule* InspectorCSSAgent::asCSSMediaRule(CSSRule* rule)
     return toCSSMediaRule(rule);
 }
 
-InspectorCSSAgent::InspectorCSSAgent(InspectorDOMAgent* domAgent, InspectorPageAgent* pageAgent, InspectorResourceAgent* resourceAgent)
+InspectorCSSAgent::InspectorCSSAgent(InspectorDOMAgent* domAgent, InspectorPageAgent* pageAgent, InspectorResourceAgent* resourceAgent, InspectorOverlay* overlay)
     : InspectorBaseAgent<InspectorCSSAgent, InspectorFrontend::CSS>("CSS")
     , m_domAgent(domAgent)
     , m_pageAgent(pageAgent)
@@ -445,8 +445,10 @@ InspectorCSSAgent::InspectorCSSAgent(InspectorDOMAgent* domAgent, InspectorPageA
     , m_styleDeclarationPendingMutation(false)
     , m_creatingViaInspectorStyleSheet(false)
     , m_isSettingStyleSheetText(false)
+    , m_overlay(overlay)
 {
     m_domAgent->setDOMListener(this);
+    m_overlay->setCSSListener(this);
 }
 
 InspectorCSSAgent::~InspectorCSSAgent()
@@ -1576,6 +1578,11 @@ void InspectorCSSAgent::resetPseudoStates()
         document->setNeedsStyleRecalc(SubtreeStyleChange, StyleChangeReasonForTracing::create(StyleChangeReason::Inspector));
 }
 
+void InspectorCSSAgent::updateCSSProperty(Node* node, long newValue)
+{
+    frontend()->cssPropertyEdited(m_domAgent->boundNodeId(node), newValue);
+}
+
 DEFINE_TRACE(InspectorCSSAgent)
 {
     visitor->trace(m_domAgent);