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1 # Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 # Copyright 2012 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 from metrics import power | 5 from metrics import power |
6 from telemetry.page import page_measurement | 6 from telemetry.page import page_measurement |
7 from telemetry.core.timeline import model | 7 from telemetry.core.timeline import model |
8 | 8 |
9 | 9 |
10 class ImageDecoding(page_measurement.PageMeasurement): | 10 class ImageDecoding(page_measurement.PageMeasurement): |
11 def __init__(self): | 11 def __init__(self): |
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59 if not durations: | 59 if not durations: |
60 return | 60 return |
61 image_decoding_avg = sum(durations) / len(durations) | 61 image_decoding_avg = sum(durations) / len(durations) |
62 results.Add('ImageDecoding_avg', 'ms', image_decoding_avg) | 62 results.Add('ImageDecoding_avg', 'ms', image_decoding_avg) |
63 results.Add('ImageLoading_avg', 'ms', | 63 results.Add('ImageLoading_avg', 'ms', |
64 tab.EvaluateJavaScript('averageLoadingTimeMs()')) | 64 tab.EvaluateJavaScript('averageLoadingTimeMs()')) |
65 | 65 |
66 def CleanUpAfterPage(self, page, tab): | 66 def CleanUpAfterPage(self, page, tab): |
67 if tab.browser.is_tracing_running: | 67 if tab.browser.is_tracing_running: |
68 tab.browser.StopTracing() | 68 tab.browser.StopTracing() |
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