Added a debug info UI for Blimp

blimp/client/app/android/blimp_client_session_android.cc

Index: blimp/client/app/android/blimp_client_session_android.cc
diff --git a/blimp/client/app/android/blimp_client_session_android.cc b/blimp/client/app/android/blimp_client_session_android.cc
index 88044493f3cedd1cd6d89c77757371f059712be6..bf6b1b8ece3d589a673cadbd3f7587dc77219667 100644
--- a/blimp/client/app/android/blimp_client_session_android.cc
+++ b/blimp/client/app/android/blimp_client_session_android.cc
@@ -113,5 +113,17 @@ void BlimpClientSessionAndroid::OnAssignmentConnectionAttempted(
   BlimpClientSession::OnAssignmentConnectionAttempted(result, assignment);
 }
 
+base::android::ScopedJavaLocalRef<jintArray>
+BlimpClientSessionAndroid::GetDebugInfo(
+    JNIEnv* env,
+    const base::android::JavaParamRef<jobject>& jobj) {
+  BlimpConnectionStatistics* stats =
+      BlimpClientSession::GetBlimpConnectionStatistics();
+  int metrics[3] = {stats->Get(BlimpConnectionStatistics::BYTES_RECEIVED),

[Kevin M, 2016/05/24 01:02:00]

Just use metrics[] - the size is computed from the literal.

[shaktisahu, 2016/05/24 21:02:44]

Done.

+                    stats->Get(BlimpConnectionStatistics::BYTES_SENT),
+                    stats->Get(BlimpConnectionStatistics::COMMIT)};
+  return base::android::ToJavaIntArray(env, metrics, 3);

[Kevin M, 2016/05/24 01:02:00]

3 => arraysize(metrics)

[shaktisahu, 2016/05/24 21:02:44]

Done.

+}
+
 }  // namespace client
 }  // namespace blimp