[WIP] Re-implement MediaControls in Blink-in-JS

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 239 matching lines @@
     if (name.IsEmpty() || !name->IsString())
         return false;
 
     v8::Handle<v8::Message> tryCatchMessage = block.Message();
     v8::Handle<v8::Value> message = exceptionObject->Get(v8String(isolate, "message"));
     String messageString;
     if (!message.IsEmpty() && message->IsString())
         messageString = toCoreString(v8::Handle<v8::String>::Cast(message));
 
     String exceptionName = toCoreString(v8::Handle<v8::String>::Cast(name));
+    {
+        // FIXME: remove this.
+        // This is a temporal hack to show the error message.
+        //v8::Handle<v8::Value> lineNumber = exceptionObject->Get(v8String(isolate, "lineNumber"));
+        v8::Handle<v8::Value> message = exceptionObject->Get(v8String(isolate, "message"));
+        String messageStr = toCoreString(v8::Handle<v8::String>::Cast(message));
+
+        printf("JavaScript Error!\n");
+        printf("message: %s\n", messageStr.utf8().data());
+    }
     if (exceptionName == "DOMExceptionInPrivateScript") {
         v8::Handle<v8::Value> code = exceptionObject->Get(v8String(isolate, "code"));
         RELEASE_ASSERT(!code.IsEmpty() && code->IsInt32());
         exceptionState.throwDOMException(toInt32(code), messageString);
         exceptionState.throwIfNeeded();
         return true;
     }
     if (exceptionName == "Error") {
         exceptionState.throwDOMException(V8GeneralError, messageString);
         exceptionState.throwIfNeeded();
@@ skipping 21 matching lines @@
     if (exceptionName == "ReferenceError") {
         exceptionState.throwDOMException(V8ReferenceError, messageString);
         exceptionState.throwIfNeeded();
         dumpJSError(exceptionName, tryCatchMessage);
         return true;
     }
     return false;
 }
 
 } // namespace blink