Use C++11 range-based for loop in Source/core/inspector

Source/core/inspector/InspectorDOMDebuggerAgent.cpp

Index: Source/core/inspector/InspectorDOMDebuggerAgent.cpp
diff --git a/Source/core/inspector/InspectorDOMDebuggerAgent.cpp b/Source/core/inspector/InspectorDOMDebuggerAgent.cpp
index 05e1821fb8c3c8f0e4bf36dea94d99f5c36c1174..6fc68174712da95b109b001c94f46d8bd6e7c8be 100644
--- a/Source/core/inspector/InspectorDOMDebuggerAgent.cpp
+++ b/Source/core/inspector/InspectorDOMDebuggerAgent.cpp
@@ -563,9 +563,9 @@ void InspectorDOMDebuggerAgent::willSendXMLHttpRequest(const String& url)
         breakpointURL = "";
     else {
         RefPtr<JSONObject> xhrBreakpoints = m_state->getObject(DOMDebuggerAgentState::xhrBreakpoints);
-        for (JSONObject::iterator it = xhrBreakpoints->begin(); it != xhrBreakpoints->end(); ++it) {
-            if (url.contains(it->key)) {
-                breakpointURL = it->key;
+        for (auto& breakpoint : *xhrBreakpoints) {
+            if (url.contains(breakpoint.key)) {
+                breakpointURL = breakpoint.key;
                 break;
             }
         }