Support variable changing in SDK interface and v8 native

plugins/org.chromium.sdk/src/org/chromium/sdk/internal/v8native/protocol/output/SetVariableValueMessage.java

Index: plugins/org.chromium.sdk/src/org/chromium/sdk/internal/v8native/protocol/output/SetVariableValueMessage.java
diff --git a/plugins/org.chromium.sdk/src/org/chromium/sdk/internal/v8native/protocol/output/SetVariableValueMessage.java b/plugins/org.chromium.sdk/src/org/chromium/sdk/internal/v8native/protocol/output/SetVariableValueMessage.java
new file mode 100644
index 0000000000000000000000000000000000000000..256b53168306b220629034e56db28c63e0950b9a
--- /dev/null
+++ b/plugins/org.chromium.sdk/src/org/chromium/sdk/internal/v8native/protocol/output/SetVariableValueMessage.java
@@ -0,0 +1,23 @@
+// Copyright (c) 2012 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.
+
+package org.chromium.sdk.internal.v8native.protocol.output;
+
+import org.chromium.sdk.internal.v8native.DebuggerCommand;
+import org.json.simple.JSONObject;
+
+/**
+ * Represents a "setVariableValue" request message.
+ */
+public class SetVariableValueMessage extends DebuggerMessage {
+  public SetVariableValueMessage(ScopeMessage.Ref scopeRef, String variableName,
+      EvaluateMessage.Value value) {
+    super(DebuggerCommand.SETVARIABLEVALUE.value);
+    JSONObject scopeObject = new JSONObject();
+    scopeRef.fillJson(scopeObject);
+    putArgument("scope", scopeObject);
+    putArgument("name", variableName);
+    putArgument("newValue", value.createJsonParameter());
+  }
+}