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

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

Index: third_party/WebKit/Source/core/inspector/InspectorInspectorAgent.cpp
diff --git a/third_party/WebKit/Source/core/inspector/InspectorInspectorAgent.cpp b/third_party/WebKit/Source/core/inspector/InspectorInspectorAgent.cpp
index e88b11b5fda3c7bda13c2d89d664f28e3b693620..c5e0a6273e67c4a46589f6126c1f456a496a6698 100644
--- a/third_party/WebKit/Source/core/inspector/InspectorInspectorAgent.cpp
+++ b/third_party/WebKit/Source/core/inspector/InspectorInspectorAgent.cpp
@@ -57,11 +57,33 @@
 void InspectorInspectorAgent::enable(ErrorString*)
 {
     m_state->setBoolean(InspectorAgentState::inspectorAgentEnabled, true);
+    for (Vector<std::pair<long, String>>::iterator it = m_pendingEvaluateTestCommands.begin(); frontend() && it != m_pendingEvaluateTestCommands.end(); ++it)
+        frontend()->evaluateForTestInFrontend(static_cast<int>((*it).first), (*it).second);
+    m_pendingEvaluateTestCommands.clear();
 }
 
 void InspectorInspectorAgent::disable(ErrorString*)
 {
     m_state->setBoolean(InspectorAgentState::inspectorAgentEnabled, false);
+    m_pendingEvaluateTestCommands.clear();
+}
+
+void InspectorInspectorAgent::restore()
+{
+    if (m_state->booleanProperty(InspectorAgentState::inspectorAgentEnabled, false)) {
+        ErrorString error;
+        enable(&error);
+    }
+}
+
+void InspectorInspectorAgent::evaluateForTestInFrontend(long callId, const String& script)
+{
+    if (m_state->booleanProperty(InspectorAgentState::inspectorAgentEnabled, false)) {
+        frontend()->evaluateForTestInFrontend(static_cast<int>(callId), script);
+        frontend()->flush();
+    } else {
+        m_pendingEvaluateTestCommands.append(std::pair<long, String>(callId, script));
+    }
 }
 
 void InspectorInspectorAgent::inspect(PassOwnPtr<protocol::Runtime::RemoteObject> objectToInspect, PassOwnPtr<protocol::DictionaryValue> hints)