bindings: Use Maybe APIs in V8ScriptRunner (part 1)

Source/bindings/core/v8/PrivateScriptRunner.cpp

Index: Source/bindings/core/v8/PrivateScriptRunner.cpp
diff --git a/Source/bindings/core/v8/PrivateScriptRunner.cpp b/Source/bindings/core/v8/PrivateScriptRunner.cpp
index c3df1604ff9e95f346e4bef86676efdc058b5036..88991981950f7f43fdccf4a7927801580bf91e9c 100644
--- a/Source/bindings/core/v8/PrivateScriptRunner.cpp
+++ b/Source/bindings/core/v8/PrivateScriptRunner.cpp
@@ -59,17 +59,20 @@ static v8::Handle<v8::Value> compileAndRunPrivateScript(v8::Isolate* isolate, St
             privateScriptControllerObject->Set(v8String(isolate, "import"), v8::FunctionTemplate::New(isolate, importFunction)->GetFunction());
     }
 
-    v8::Handle<v8::Script> script = V8ScriptRunner::compileScript(v8String(isolate, sourceString), fileName, String(), TextPosition::minimumPosition(), isolate, nullptr, nullptr, nullptr, NotSharableCrossOrigin);
-    if (block.HasCaught()) {
+    v8::Local<v8::Script> script;
+    if (!V8ScriptRunner::compileScript(v8String(isolate, sourceString), fileName, String(), TextPosition::minimumPosition(), isolate, nullptr, nullptr, nullptr, NotSharableCrossOrigin).ToLocal(&script)) {
+        ASSERT(block.HasCaught());
         fprintf(stderr, "Private script error: Compile failed. (Class name = %s)\n", scriptClassName.utf8().data());
         dumpV8Message(block.Message());
         RELEASE_ASSERT_NOT_REACHED();
     }
 
-    v8::Handle<v8::Value> result = V8ScriptRunner::runCompiledInternalScript(isolate, script);
-    if (block.HasCaught()) {
-        fprintf(stderr, "Private script error: installClass() failed. (Class name = %s)\n", scriptClassName.utf8().data());
-        dumpV8Message(block.Message());
+    v8::Local<v8::Value> result;
+    if (!V8ScriptRunner::runCompiledInternalScript(isolate, script).ToLocal(&result)) {
+        if (block.HasCaught()) {
+            fprintf(stderr, "Private script error: installClass() failed. (Class name = %s)\n", scriptClassName.utf8().data());
+            dumpV8Message(block.Message());
+        }
         RELEASE_ASSERT_NOT_REACHED();
     }
     return result;