[WebView] Move files from native to browser

android_webview/native/aw_metrics_log_uploader.cc

-// Copyright 2017 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 "android_webview/native/aw_metrics_log_uploader.h"
-
-#include "android_webview/jni/AwMetricsLogUploader_jni.h"
-#include "base/android/jni_array.h"
-#include "components/metrics/log_decoder.h"
-
-using base::android::ScopedJavaLocalRef;
-using base::android::ToJavaByteArray;
-
-namespace android_webview {
-
-AwMetricsLogUploader::AwMetricsLogUploader(
-    const metrics::MetricsLogUploader::UploadCallback& on_upload_complete)
-    : on_upload_complete_(on_upload_complete) {}
-
-AwMetricsLogUploader::~AwMetricsLogUploader() {}
-
-void AwMetricsLogUploader::UploadLog(const std::string& compressed_log_data,
-                                     const std::string& log_hash) {
-  // WebView uses the platform logging mechanism instead of the normal UMA
-  // server. The platform mechanism does its own compression, so undo the
-  // previous compression.
-  std::string log_data;
-  if (!metrics::DecodeLogData(compressed_log_data, &log_data)) {
-    // If the log is corrupt, pretend the server rejected it (HTTP Bad Request).
-    on_upload_complete_.Run(400, 0);
-    return;
-  }
-
-  JNIEnv* env = base::android::AttachCurrentThread();
-  ScopedJavaLocalRef<jbyteArray> java_data = ToJavaByteArray(
-      env, reinterpret_cast<const uint8_t*>(log_data.data()), log_data.size());
-  Java_AwMetricsLogUploader_uploadLog(env, java_data);
-
-  // The platform mechanism doesn't provide a response code or any way to handle
-  // failures, so we have nothing to pass to on_upload_complete. Just pass 200
-  // (HTTP OK) with error code 0 and pretend everything is peachy.
-  on_upload_complete_.Run(200, 0);
-}
-
-}  // namespace android_webview