Revert of [inspector] always include user scripts in the snapshot.

src/inspector/v8-debugger.cc

Index: src/inspector/v8-debugger.cc
diff --git a/src/inspector/v8-debugger.cc b/src/inspector/v8-debugger.cc
index 4505c26bef23c9bb50893903b9852b68996560db..5cd56b4a4105cf1cfcebb5841348fc9a63aa7e9d 100644
--- a/src/inspector/v8-debugger.cc
+++ b/src/inspector/v8-debugger.cc
@@ -29,8 +29,11 @@
 
 V8DebuggerAgentImpl* agentForScript(V8InspectorImpl* inspector,
                                     v8::Local<v8::debug::Script> script) {
-  int contextId;
-  if (!script->ContextId().To(&contextId)) return nullptr;
+  v8::Local<v8::Value> contextData;
+  if (!script->ContextData().ToLocal(&contextData) || !contextData->IsInt32()) {
+    return nullptr;
+  }
+  int contextId = static_cast<int>(contextData.As<v8::Int32>()->Value());
   int contextGroupId = inspector->contextGroupId(contextId);
   if (!contextGroupId) return nullptr;
   return inspector->enabledDebuggerAgentForGroup(contextGroupId);
@@ -216,12 +219,10 @@
   for (size_t i = 0; i < scripts.Size(); ++i) {
     v8::Local<v8::debug::Script> script = scripts.Get(i);
     if (!script->WasCompiled()) continue;
-    if (script->IsEmbedded()) {
-      result.push_back(V8DebuggerScript::Create(m_isolate, script, false));
+    v8::Local<v8::Value> contextData;
+    if (!script->ContextData().ToLocal(&contextData) || !contextData->IsInt32())
       continue;
-    }
-    int contextId;
-    if (!script->ContextId().To(&contextId)) continue;
+    int contextId = static_cast<int>(contextData.As<v8::Int32>()->Value());
     if (m_inspector->contextGroupId(contextId) != contextGroupId) continue;
     result.push_back(V8DebuggerScript::Create(m_isolate, script, false));
   }