Enable VM service inside Dartium Renderer processes

Source/core/inspector/InspectorDartAgent.cpp

Index: Source/core/inspector/InspectorDartAgent.cpp
diff --git a/Source/core/inspector/InspectorDartAgent.cpp b/Source/core/inspector/InspectorDartAgent.cpp
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+/*
+ * Copyright (C) 2013 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+
+#include "core/inspector/InspectorDartAgent.h"
+
+
+#include "InspectorFrontend.h"
+#include "bindings/dart/DartController.h"
+#include "bindings/dart/DartService.h"
+#include "bindings/dart/DartUtilities.h"
+#include "core/inspector/InspectorPageAgent.h"
+#include "wtf/OwnPtr.h"
+#include "wtf/PassOwnPtr.h"
+
+#include <dart_api.h>
+#include <dart_debugger_api.h>
+#include <dart_mirrors_api.h>
+
+namespace WebCore {
+
+// FIXME(15482): Use reference counting instead of manual memory management.
+class InspectorDartAgentDartServiceRequest : public DartServiceRequest {
+public:
+    InspectorDartAgentDartServiceRequest(InspectorFrontend::Dart* frontend, const String& id, const char* request) : DartServiceRequest(request), m_id(id), m_frontend(frontend)
+    {
+    }
+
+    virtual void ResponseReady(const char* response)
+    {
+        String asyncResponse = response;
+        ASSERT(m_frontend);
+        m_frontend->observatoryData(m_id, asyncResponse);
+        delete this;
+    }
+private:
+    String m_id;
+    InspectorFrontend::Dart* m_frontend;
+};
+
+void InspectorDartAgent::observatoryQuery(ErrorString* error, const String& inId, const String& inQuery)
+{
+    DartController* controller = DartController::retrieve(m_pageAgent->mainFrame());
+    if (!controller || !controller->isolate()) {
+        *error = "Dart not running";
+        m_frontend->observatoryData(inId, "{ \"type\": \"Error\", \"msg\": \"Dart not running\" }");
+        return;
+    }
+
+    InspectorDartAgentDartServiceRequest* request = new InspectorDartAgentDartServiceRequest(m_frontend, inId, inQuery.utf8().data());
+    DartService::MakeServiceRequest(request);
+}
+
+InspectorDartAgent::InspectorDartAgent(InstrumentingAgents* instrumentingAgents, InspectorPageAgent* pageAgent, InspectorCompositeState* state)
+    : InspectorBaseAgent<InspectorDartAgent>("Dart", instrumentingAgents, state)
+    , m_frontend(0)
+    , m_pageAgent(pageAgent)
+{
+}
+
+void InspectorDartAgent::setFrontend(InspectorFrontend* frontend)
+{
+    ASSERT(!m_frontend);
+    m_frontend = frontend->dart();
+}
+
+void InspectorDartAgent::clearFrontend()
+{
+    m_frontend = 0;
+}
+
+} // namespace WebCore
+