Added setting up VMLibraryHooks for Dartium to support resolvePageUri

Source/bindings/core/dart/DartApplicationLoader.cpp

Index: Source/bindings/core/dart/DartApplicationLoader.cpp
diff --git a/Source/bindings/core/dart/DartApplicationLoader.cpp b/Source/bindings/core/dart/DartApplicationLoader.cpp
index d5cfc76454a8ad6e79e2060fdad44b2debfe398d..489f57b25c81506643c1d2b9230008242769d40b 100644
--- a/Source/bindings/core/dart/DartApplicationLoader.cpp
+++ b/Source/bindings/core/dart/DartApplicationLoader.cpp
@@ -372,6 +372,7 @@ void DartApplicationLoader::load(PassRefPtr<DartErrorEventDispatcher> errorEvent
     // invoked.
     if (m_state == Ready) {
         // Call the entry point on the main script URL.
+        setupVMLibraryHooks();
         callEntryPoint();
     }
 }
@@ -516,6 +517,21 @@ Dart_Handle DartApplicationLoader::topLevelLibrary()
     return library;
 }
 
+void DartApplicationLoader::setupVMLibraryHooks()
+{
+    Dart_Handle builtin_library = Dart_LookupLibrary(Dart_NewStringFromCString("dart:_builtin"));
+    RELEASE_ASSERT(!Dart_IsError(builtin_library));

[siva, 2017/01/06 21:39:33]

Wouldn't need this library if the setup code was added in one of the other
libraries (see comment in the other CL).

+
+    // Call Dartium version of _setupHooks to configure VMLibraryHooks.
+    Dart_Handle dartium_setup_class = Dart_GetType(builtin_library, Dart_NewStringFromCString("DartiumSetup"), 0, 0);
+    RELEASE_ASSERT(!Dart_IsError(dartium_setup_class));
+    Dart_Handle result = Dart_Invoke(dartium_setup_class, Dart_NewStringFromCString("_setupHooks"), 0, NULL);
+    if (Dart_IsError(result)) {
+      reportError("Unable to invoke _setupHooks", "dart:_builtin");
+    }
+}
+
+
 void DartApplicationLoader::findDependences(const String& url, const String& source, intptr_t lineNumber)
 {
     ASSERT(m_pendingLibraries.contains(url) || m_pendingSource.contains(url));
@@ -762,7 +778,7 @@ private:
     ResourcePtr<ScriptResource> m_scriptResource;
 };
 
-static String resolveUrl(String mainLibraryURL, const String& url, const String& packageRootOverride)
+String DartApplicationLoader::resolveUrl(String mainLibraryURL, const String& url, const String& packageRootOverride)
 {
     if (!url.startsWith("package:") || url.startsWith("package://"))
         return url;