Make MetricsService upload logs through an interface.

components/metrics.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'metrics',
       'type': 'static_library',
       'include_dirs': [
         '..',
       ],
       'dependencies': [
         '../base/base.gyp:base',
         'component_metrics_proto',
       ],
       'sources': [
         'metrics/metrics_provider.h',
         'metrics/cloned_install_detector.cc',
         'metrics/cloned_install_detector.h',
         'metrics/machine_id_provider.h',
         'metrics/machine_id_provider_stub.cc',
         'metrics/machine_id_provider_win.cc',
         'metrics/metrics_hashes.cc',
         'metrics/metrics_hashes.h',
         'metrics/metrics_log_base.cc',
         'metrics/metrics_log_base.h',
+        'metrics/metrics_log_uploader.cc',
+        'metrics/metrics_log_uploader.h',
         'metrics/metrics_log_manager.cc',
         'metrics/metrics_log_manager.h',
         'metrics/metrics_pref_names.cc',
         'metrics/metrics_pref_names.h',
         'metrics/metrics_reporting_scheduler.cc',
         'metrics/metrics_reporting_scheduler.h',
         'metrics/metrics_service_client.h',
         'metrics/metrics_service_observer.cc',
         'metrics/metrics_service_observer.h',
         'metrics/persisted_logs.cc',
         'metrics/persisted_logs.h',
       ],
       'conditions': [
         ['chromeos==1', {
           'dependencies': [
             'metrics_chromeos',
           ],
         }],
         ['OS=="win"', {
           'sources!': [
             'metrics/machine_id_provider_stub.cc',
           ],
         }],
       ],
     },
     {
+      'target_name': 'metrics_net',
+      'type': 'static_library',
+      'include_dirs': [
+        '..',
+      ],
+      'dependencies': [
+        '../net/net.gyp:net',
+        '../third_party/zlib/zlib.gyp:zlib',
+        'metrics',
+      ],
+      'sources': [
+        'metrics/net/compression_utils.cc',
+        'metrics/net/compression_utils.h',
+        'metrics/net/net_metrics_log_uploader.cc',
+        'metrics/net/net_metrics_log_uploader.h',
+      ],
+    },
+    {
       # Protobuf compiler / generator for UMA (User Metrics Analysis).
       'target_name': 'component_metrics_proto',
       'type': 'static_library',
       'sources': [
         'metrics/proto/chrome_user_metrics_extension.proto',
         'metrics/proto/histogram_event.proto',
         'metrics/proto/omnibox_event.proto',
         'metrics/proto/perf_data.proto',
         'metrics/proto/profiler_event.proto',
         'metrics/proto/sampled_profile.proto',
@@ skipping 40 matching lines @@
             'metrics/chromeos/metric_sample.h',
           ],
           'dependencies': [
             '../base/base.gyp:base',
           ],
         },
       ],
     }],
   ],
 }