Initial upload of cronet for Android.

net/cronet/android/android_log.h

Index: net/cronet/android/android_log.h
diff --git a/net/cronet/android/android_log.h b/net/cronet/android/android_log.h
new file mode 100644
index 0000000000000000000000000000000000000000..ff05823b73dad8fb5a115cd7cb4cb00668de8a9e
--- /dev/null
+++ b/net/cronet/android/android_log.h
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+// 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.
+
+#ifndef NET_CRONET_ANDROID_ANDROID_LOG_H_
+#define NET_CRONET_ANDROID_ANDROID_LOG_H_
+
+#include <android/log.h>
+
+// Specifies the granularity of events that should be logged.
+enum LoggingLevel {
+  // Don't log anything
+  LOG_NONE = 0,
+
+  // Log major events useful for debugging
+  LOG_DEBUG,
+
+  // Log everything
+  LOG_VERBOSE,
+};
+
+#define LOGD(tag, log_level, ...) \
+    if ((log_level) == LOG_DEBUG || (log_level) == LOG_VERBOSE) \
+    __android_log_print(ANDROID_LOG_DEBUG, (tag), __VA_ARGS__)
+
+#define LOGV(tag, log_level, ...) \
+    if ((log_level) == LOG_VERBOSE) \
+    __android_log_print(ANDROID_LOG_VERBOSE, (tag), __VA_ARGS__)
+
+#define LOGE(tag, ...) \
+    __android_log_print(ANDROID_LOG_ERROR, (tag), __VA_ARGS__)
+
+#define ASSERT(tag, condition) \
+    if (!(condition)) \
+    __android_log_assert(#condition, tag, "Assert failed: " #condition)
+
+#endif  // NET_CRONET_ANDROID_ANDROID_LOG_H_