Implementing console command 'debug'.

Source/core/inspector/InspectorDebuggerAgent.cpp

Index: Source/core/inspector/InspectorDebuggerAgent.cpp
diff --git a/Source/core/inspector/InspectorDebuggerAgent.cpp b/Source/core/inspector/InspectorDebuggerAgent.cpp
index 7f47e056638d16ea8466ad0f04f7f1c0109cd788..6105d825670a0379df03ee2b7f70fac23ae2add9 100644
--- a/Source/core/inspector/InspectorDebuggerAgent.cpp
+++ b/Source/core/inspector/InspectorDebuggerAgent.cpp
@@ -767,6 +767,15 @@ void ScriptDebugListener::Script::reportMemoryUsage(MemoryObjectInfo* memoryObje
     info.addMember(sourceMappingURL, "sourceMappingURL");
 }
 
+void InspectorDebuggerAgent::setBreakpointInFrontend(const String& scriptId, int lineNumber, int columnNumber)
+{
+    RefPtr<TypeBuilder::Debugger::Location> location = TypeBuilder::Debugger::Location::create()
+        .setScriptId(scriptId)
+        .setLineNumber(lineNumber);
+    location->setColumnNumber(columnNumber);
+    m_frontend->setBreakpointRequested(location);
+}
+
 void InspectorDebuggerAgent::reset()
 {
     m_scripts.clear();