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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 //------------------------------------------------------------------------------ | 5 //------------------------------------------------------------------------------ |
6 // Description of the life cycle of a instance of MetricsService. | 6 // Description of the life cycle of a instance of MetricsService. |
7 // | 7 // |
8 // OVERVIEW | 8 // OVERVIEW |
9 // | 9 // |
10 // A MetricsService instance is created at ChromeFrame startup in | 10 // A MetricsService instance is created at ChromeFrame startup in |
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71 | 71 |
72 static const char kMetricsType[] = "application/vnd.mozilla.metrics.bz2"; | 72 static const char kMetricsType[] = "application/vnd.mozilla.metrics.bz2"; |
73 | 73 |
74 // The first UMA upload occurs after this interval. | 74 // The first UMA upload occurs after this interval. |
75 static const int kInitialUMAUploadTimeoutMilliSeconds = 30000; | 75 static const int kInitialUMAUploadTimeoutMilliSeconds = 30000; |
76 | 76 |
77 // Default to one UMA upload per 10 mins. | 77 // Default to one UMA upload per 10 mins. |
78 static const int kMinMilliSecondsPerUMAUpload = 600000; | 78 static const int kMinMilliSecondsPerUMAUpload = 600000; |
79 | 79 |
80 base::LazyInstance<base::ThreadLocalPointer<MetricsService> > | 80 base::LazyInstance<base::ThreadLocalPointer<MetricsService> > |
81 MetricsService::g_metrics_instance_(base::LINKER_INITIALIZED); | 81 MetricsService::g_metrics_instance_ = LAZY_INSTANCE_INITIALIZER; |
82 | 82 |
83 base::Lock MetricsService::metrics_service_lock_; | 83 base::Lock MetricsService::metrics_service_lock_; |
84 | 84 |
85 // Initialize histogram statistics gathering system. | 85 // Initialize histogram statistics gathering system. |
86 base::LazyInstance<base::StatisticsRecorder> | 86 base::LazyInstance<base::StatisticsRecorder> |
87 g_statistics_recorder_(base::LINKER_INITIALIZED); | 87 g_statistics_recorder_ = LAZY_INSTANCE_INITIALIZER; |
88 | 88 |
89 // This class provides functionality to upload the ChromeFrame UMA data to the | 89 // This class provides functionality to upload the ChromeFrame UMA data to the |
90 // server. An instance of this class is created whenever we have data to be | 90 // server. An instance of this class is created whenever we have data to be |
91 // uploaded to the server. | 91 // uploaded to the server. |
92 class ChromeFrameMetricsDataUploader : public BSCBImpl { | 92 class ChromeFrameMetricsDataUploader : public BSCBImpl { |
93 public: | 93 public: |
94 ChromeFrameMetricsDataUploader() | 94 ChromeFrameMetricsDataUploader() |
95 : cache_stream_(NULL), | 95 : cache_stream_(NULL), |
96 upload_data_size_(0) { | 96 upload_data_size_(0) { |
97 DVLOG(1) << __FUNCTION__; | 97 DVLOG(1) << __FUNCTION__; |
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459 version += "-F"; | 459 version += "-F"; |
460 if (!version_info.IsOfficialBuild()) | 460 if (!version_info.IsOfficialBuild()) |
461 version.append("-devel"); | 461 version.append("-devel"); |
462 return version; | 462 return version; |
463 } else { | 463 } else { |
464 NOTREACHED() << "Unable to retrieve version string."; | 464 NOTREACHED() << "Unable to retrieve version string."; |
465 } | 465 } |
466 | 466 |
467 return std::string(); | 467 return std::string(); |
468 } | 468 } |
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