25     HistogramBase::report_histogram_ = nullptr;  in ~HistogramBaseTest()
35   HistogramBase* GetCreationReportHistogram(const std::string& name) {  in GetCreationReportHistogram()
36     HistogramBase::EnableActivityReportHistogram(name);  in GetCreationReportHistogram()
37     return HistogramBase::report_histogram_;  in GetCreationReportHistogram()
47   HistogramBase* histogram = Histogram::FactoryGet(  in TEST_F()
49       (HistogramBase::kUmaTargetedHistogramFlag |  in TEST_F()
50       HistogramBase::kIPCSerializationSourceFlag));  in TEST_F()
56   HistogramBase* deserialized = DeserializeHistogramInfo(&iter);  in TEST_F()
69   EXPECT_EQ(HistogramBase::kUmaTargetedHistogramFlag, deserialized->flags());  in TEST_F()
73   HistogramBase* histogram = LinearHistogram::FactoryGet(  in TEST_F()
75       HistogramBase::kIPCSerializationSourceFlag);  in TEST_F()
81   HistogramBase* deserialized = DeserializeHistogramInfo(&iter);  in TEST_F()
96   HistogramBase* histogram = BooleanHistogram::FactoryGet(  in TEST_F()
97       "TestHistogram", HistogramBase::kIPCSerializationSourceFlag);  in TEST_F()
103   HistogramBase* deserialized = DeserializeHistogramInfo(&iter);  in TEST_F()
118   std::vector<HistogramBase::Sample> ranges;  in TEST_F()
123   HistogramBase* histogram = CustomHistogram::FactoryGet(  in TEST_F()
124       "TestHistogram", ranges, HistogramBase::kIPCSerializationSourceFlag);  in TEST_F()
130   HistogramBase* deserialized = DeserializeHistogramInfo(&iter);  in TEST_F()
145   HistogramBase* histogram = SparseHistogram::FactoryGet(  in TEST_F()
146       "TestHistogram", HistogramBase::kIPCSerializationSourceFlag);  in TEST_F()
152   HistogramBase* deserialized = DeserializeHistogramInfo(&iter);  in TEST_F()
167   HistogramBase* report = GetCreationReportHistogram("CreationReportTest");  in TEST_F()
170   std::vector<HistogramBase::Sample> ranges;  in TEST_F()
196                         HistogramBase::kUmaTargetedHistogramFlag);  in TEST_F()
198                         HistogramBase::kUmaStabilityHistogramFlag);  in TEST_F()
200                               HistogramBase::kUmaTargetedHistogramFlag);  in TEST_F()
202                               HistogramBase::kUmaStabilityHistogramFlag);  in TEST_F()