Enable VM service inside Dartium Renderer processes

Source/bindings/dart/DartController.cpp

Index: Source/bindings/dart/DartController.cpp
diff --git a/Source/bindings/dart/DartController.cpp b/Source/bindings/dart/DartController.cpp
index 7890130f63e4ac3bdf5df39313e70033bb3914bc..c1f4ffc716d8e3f506711cae8a3cf82daba36c1d 100644
--- a/Source/bindings/dart/DartController.cpp
+++ b/Source/bindings/dart/DartController.cpp
@@ -36,6 +36,7 @@
 
 
 #include "DartDocument.h"
+#include "DartService.h"
 #include "DartWindow.h"
 #include "HTMLNames.h"
 #include "bindings/dart/DartApplicationLoader.h"
@@ -222,16 +223,35 @@ Dart_Isolate DartController::createIsolate(const char* scriptURL, const char* en
     return isolate;
 }
 
+
 void DartController::createDOMEnabledIsolateIfNeeded(const String& scriptURL, const String& entryPoint, Document* document)
 {
     if (m_isolate) {
         Dart_EnterIsolate(m_isolate);
         return;
     }
+
+    const bool shouldStartService = !getenv("DARTIUM_VMSERVICE");
+
     // FIXME: proper error reporting.
     char* errorMessage = 0;
     m_isolate = createIsolate(scriptURL.utf8().data(), entryPoint.utf8().data(), document, true, &errorMessage);
     ASSERT(m_isolate);
+    if (shouldStartService) {
+        // createIsolate exits with current isolate set to m_isolate, we need to
+        // exit it so we can startup the service.
+        Dart_ExitIsolate();
+
+        bool r = DartService::Start(document);
+        ASSERT(r);
+        ASSERT(!Dart_CurrentIsolate());
+
+        Dart_EnterIsolate(m_isolate);
+        Dart_EnterScope();
+        DartService::SendIsolateStartupMessage();
+        Dart_ExitScope();
+    }
+
 }
 
 void DartController::shutdownIsolate(Dart_Isolate isolate)
@@ -246,6 +266,8 @@ void DartController::shutdownIsolate(Dart_Isolate isolate)
     for (DartIsolateDestructionObservers::iterator it = observers->begin(); it != observers->end(); ++it)
         (*it)->isolateDestroyed();
     Dart_ShutdownIsolate();
+    // Stop the service.
+    DartService::Stop();
     delete domData;
 }
 
@@ -414,6 +436,12 @@ Dart_Isolate DartController::createPureIsolateCallback(const char* scriptURL, co
     Document* document = static_cast<Document*>(context);
 
     Dart_Isolate isolate = createIsolate(scriptURL, entryPoint, document, false, errorMsg);
+    {
+        Dart_EnterScope();
+        DartService::SendIsolateStartupMessage();
+        Dart_ExitScope();
+    }
+
     if (!isolate) {
         // This triggers an exception in the caller.
         *errorMsg = strdup("Isolate spawn failed.");
@@ -561,7 +589,7 @@ void DartController::initVMIfNeeded()
 
     // FIXME(antonm): implement proper shutdown callback.
     // FIXME(antonm): implement proper unhandled exception callback.
-    Dart_Initialize(&createPureIsolateCallback, 0, 0, 0, openFileCallback, readFileCallback, writeFileCallback, closeFileCallback, generateEntropy);
+    Dart_Initialize(&createPureIsolateCallback, 0, 0, DartService::VmServiceShutdownCallback, openFileCallback, readFileCallback, writeFileCallback, closeFileCallback, generateEntropy);
     hasBeenInitialized = true;
 }