bindings: Use Maybe APIs in V8ScriptRunner (part 1)

Source/bindings/core/v8/PrivateScriptRunner.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "bindings/core/v8/PrivateScriptRunner.h"
 
 #include "bindings/core/v8/DOMWrapperWorld.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/V8Binding.h"
@@ skipping 41 matching lines @@
     v8::Handle<v8::Object> global = isolate->GetCurrentContext()->Global();
     v8::Handle<v8::Value> privateScriptController = global->Get(v8String(isolate, "privateScriptController"));
     RELEASE_ASSERT(privateScriptController->IsUndefined() || privateScriptController->IsObject());
     if (privateScriptController->IsObject()) {
         v8::Handle<v8::Object> privateScriptControllerObject = privateScriptController->ToObject(isolate);
         v8::Handle<v8::Value> importFunctionValue = privateScriptControllerObject->Get(v8String(isolate, "import"));
         if (importFunctionValue->IsUndefined())
             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;
 }
 
 // Private scripts can use privateScriptController.import(bundledResource, compileAndRunScript) to import dependent resources.
 // |bundledResource| is a string resource name.
 // |compileAndRunScript| optional boolean representing if the javascript should be executed. Default: true.
 void importFunction(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
@@ skipping 245 matching lines @@
     v8::Handle<v8::Value> result = V8ScriptRunner::callFunction(v8::Handle<v8::Function>::Cast(method), scriptState->executionContext(), holder, argc, argv, scriptState->isolate());
     if (block.HasCaught()) {
         rethrowExceptionInPrivateScript(scriptState->isolate(), block, scriptStateInUserScript, ExceptionState::ExecutionContext, methodName, className);
         block.ReThrow();
         return v8::Handle<v8::Value>();
     }
     return result;
 }
 
 } // namespace blink