[DevTools] Force context creation when runtime is enabled.

third_party/WebKit/Source/core/inspector/MainThreadDebugger.cpp

Index: third_party/WebKit/Source/core/inspector/MainThreadDebugger.cpp
diff --git a/third_party/WebKit/Source/core/inspector/MainThreadDebugger.cpp b/third_party/WebKit/Source/core/inspector/MainThreadDebugger.cpp
index c678024f937f1386e4cad445083542b8df493987..1263f5c57531c3cddbb564157202b0ad4d27102f 100644
--- a/third_party/WebKit/Source/core/inspector/MainThreadDebugger.cpp
+++ b/third_party/WebKit/Source/core/inspector/MainThreadDebugger.cpp
@@ -101,10 +101,9 @@ void MainThreadDebugger::contextCreated(ScriptState* scriptState, LocalFrame* fr
     ASSERT(isMainThread());
     v8::HandleScope handles(scriptState->isolate());
     DOMWrapperWorld& world = scriptState->world();
-    bool isMainContext = frame->localFrameRoot() == frame && world.isMainWorld();
-    if (isMainContext)
+    if (frame->localFrameRoot() == frame && world.isMainWorld())
         debugger()->resetContextGroup(contextGroupId(frame));
-    debugger()->contextCreated(V8ContextInfo(scriptState->context(), contextGroupId(frame), isMainContext, world.isMainWorld(), origin ? origin->toRawString() : "", world.isIsolatedWorld() ? world.isolatedWorldHumanReadableName() : "", IdentifiersFactory::frameId(frame)));
+    debugger()->contextCreated(V8ContextInfo(scriptState->context(), contextGroupId(frame), world.isMainWorld(), origin ? origin->toRawString() : "", world.isIsolatedWorld() ? world.isolatedWorldHumanReadableName() : "", IdentifiersFactory::frameId(frame)));
 }
 
 void MainThreadDebugger::contextWillBeDestroyed(ScriptState* scriptState)
@@ -193,4 +192,16 @@ bool MainThreadDebugger::callingContextCanAccessContext(v8::Local<v8::Context> c
     return window && BindingSecurity::shouldAllowAccessTo(m_isolate, toLocalDOMWindow(toDOMWindow(calling)), window, DoNotReportSecurityError);
 }
 
+int MainThreadDebugger::ensureDefaultContextInGroup(int contextGroupId)
+{
+    LocalFrame* frame = WeakIdentifierMap<LocalFrame>::lookup(contextGroupId);
+    if (!frame)
+        return 0;
+    ScriptState* scriptState = ScriptState::forMainWorld(frame);
+    if (!scriptState)
+        return 0;
+    v8::HandleScope scopes(scriptState->isolate());
+    return V8Debugger::contextId(scriptState->context());
+}
+
 } // namespace blink