Add framework for sending feedback for Blimp.

blimp/client/core/feedback/android/blimp_feedback_data_android.cc

Index: blimp/client/core/feedback/android/blimp_feedback_data_android.cc
diff --git a/blimp/client/core/feedback/android/blimp_feedback_data_android.cc b/blimp/client/core/feedback/android/blimp_feedback_data_android.cc
new file mode 100644
index 0000000000000000000000000000000000000000..3bf5976b7d5302e328894d59ef16bb73734f60c5
--- /dev/null
+++ b/blimp/client/core/feedback/android/blimp_feedback_data_android.cc
@@ -0,0 +1,31 @@
+// Copyright 2016 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 "blimp/client/core/feedback/android/blimp_feedback_data_android.h"
+
+#include "base/android/jni_android.h"
+#include "base/android/jni_array.h"
+#include "blimp/client/core/feedback/blimp_feedback_data.h"
+#include "jni/BlimpFeedbackData_jni.h"
+
+namespace blimp {
+namespace client {
+
+base::android::ScopedJavaLocalRef<jobject> CreateBlimpFeedbackDataJavaObject(
+    const std::unordered_map<std::string, std::string>& feedback_data) {
+  std::vector<std::string> keys;
+  std::vector<std::string> values;
+  for (const auto& item : feedback_data) {
+    keys.push_back(item.first);
+    values.push_back(item.second);
+  }
+
+  JNIEnv* env = base::android::AttachCurrentThread();
+  return Java_BlimpFeedbackData_create(
+      env, base::android::ToJavaArrayOfStrings(env, keys),
+      base::android::ToJavaArrayOfStrings(env, values));
+}
+
+}  // namespace client
+}  // namespace blimp