Revert of [DevTools] Use InspectorFrontendHost.readyForTest for layout tests.

third_party/WebKit/Source/core/inspector/InspectorInspectorAgent.h

Index: third_party/WebKit/Source/core/inspector/InspectorInspectorAgent.h
diff --git a/third_party/WebKit/Source/core/inspector/InspectorInspectorAgent.h b/third_party/WebKit/Source/core/inspector/InspectorInspectorAgent.h
index ba8fc6971432041880f30ec9a13a9e8c8e8afb25..41e6012ac38c4c27cd47aedb259aa0f262c7552c 100644
--- a/third_party/WebKit/Source/core/inspector/InspectorInspectorAgent.h
+++ b/third_party/WebKit/Source/core/inspector/InspectorInspectorAgent.h
@@ -37,6 +37,8 @@
 
 namespace blink {
 
+class LocalFrame;
+
 namespace protocol {
 class DictionaryValue;
 }
@@ -53,12 +55,20 @@
 
     // Inspector front-end API.
     void enable(ErrorString*) override;
+
+    // InspectorAgent overrides.
     void disable(ErrorString*) override;
+    void restore() override;
+
+    // Generic code called from custom implementations.
+    void evaluateForTestInFrontend(long testCallId, const String& script);
 
     void inspect(PassOwnPtr<protocol::Runtime::RemoteObject> objectToInspect, PassOwnPtr<protocol::DictionaryValue> hints);
 
 private:
     InspectorInspectorAgent();
+
+    Vector<std::pair<long, String>> m_pendingEvaluateTestCommands;
 };
 
 } // namespace blink