bindings: Use Maybe APIs in V8ScriptRunner (part 1)

Source/bindings/core/v8/custom/V8InjectedScriptManager.cpp

Index: Source/bindings/core/v8/custom/V8InjectedScriptManager.cpp
diff --git a/Source/bindings/core/v8/custom/V8InjectedScriptManager.cpp b/Source/bindings/core/v8/custom/V8InjectedScriptManager.cpp
index 630d853b31b3ea3e55e2c5a70ca1f9e0a705ad4f..28d98cdcc4fc253eeced61ef40b5bd5c029ce7d6 100644
--- a/Source/bindings/core/v8/custom/V8InjectedScriptManager.cpp
+++ b/Source/bindings/core/v8/custom/V8InjectedScriptManager.cpp
@@ -102,8 +102,9 @@ ScriptValue InjectedScriptManager::createInjectedScript(const String& scriptSour
     // inspector's stuff) the function is called a few lines below with InjectedScriptHost wrapper,
     // injected script id and explicit reference to the inspected global object. The function is expected
     // to create and configure InjectedScript instance that is going to be used by the inspector.
-    v8::Local<v8::Value> value = V8ScriptRunner::compileAndRunInternalScript(v8String(isolate, scriptSource), isolate);
-    ASSERT(!value.IsEmpty());
+    v8::Local<v8::Value> value;
+    if (!V8ScriptRunner::compileAndRunInternalScript(v8String(isolate, scriptSource), isolate).ToLocal(&value))
+        return ScriptValue();
     ASSERT(value->IsFunction());
 
     v8::Local<v8::Object> windowGlobal = inspectedScriptState->context()->Global();