Add LOCAL_ prefix to non-UMA histogram macros.

base/metrics/sparse_histogram_unittest.cc

Index: base/metrics/sparse_histogram_unittest.cc
diff --git a/base/metrics/sparse_histogram_unittest.cc b/base/metrics/sparse_histogram_unittest.cc
index 825381d8535dca6e045e47cf8fd592f72eb55500..6a0efa4e12b616cc28229076edc5011b4662c75d 100644
--- a/base/metrics/sparse_histogram_unittest.cc
+++ b/base/metrics/sparse_histogram_unittest.cc
@@ -64,9 +64,9 @@ TEST_F(SparseHistogramTest, BasicTest) {
 }
 
 TEST_F(SparseHistogramTest, MacroBasicTest) {
-  HISTOGRAM_SPARSE_SLOWLY("Sparse", 100);
-  HISTOGRAM_SPARSE_SLOWLY("Sparse", 200);
-  HISTOGRAM_SPARSE_SLOWLY("Sparse", 100);
+  UMA_HISTOGRAM_SPARSE_SLOWLY("Sparse", 100);
+  UMA_HISTOGRAM_SPARSE_SLOWLY("Sparse", 200);
+  UMA_HISTOGRAM_SPARSE_SLOWLY("Sparse", 100);
 
   StatisticsRecorder::Histograms histograms;
   StatisticsRecorder::GetHistograms(&histograms);
@@ -76,7 +76,8 @@ TEST_F(SparseHistogramTest, MacroBasicTest) {
 
   EXPECT_EQ(SPARSE_HISTOGRAM, sparse_histogram->GetHistogramType());
   EXPECT_EQ("Sparse", sparse_histogram->histogram_name());
-  EXPECT_EQ(HistogramBase::kNoFlags, sparse_histogram->flags());
+  EXPECT_EQ(HistogramBase::kUmaTargetedHistogramFlag,
+            sparse_histogram->flags());
 
   scoped_ptr<HistogramSamples> samples = sparse_histogram->SnapshotSamples();
   EXPECT_EQ(3, samples->TotalCount());
@@ -84,20 +85,6 @@ TEST_F(SparseHistogramTest, MacroBasicTest) {
   EXPECT_EQ(1, samples->GetCount(200));
 }
 
-TEST_F(SparseHistogramTest, MacroUmaTest) {
-  UMA_HISTOGRAM_SPARSE_SLOWLY("Uma", 100);
-
-  StatisticsRecorder::Histograms histograms;
-  StatisticsRecorder::GetHistograms(&histograms);
-
-  ASSERT_EQ(1U, histograms.size());
-  HistogramBase* sparse_histogram = histograms[0];
-
-  EXPECT_EQ("Uma", sparse_histogram->histogram_name());
-  EXPECT_EQ(HistogramBase::kUmaTargetedHistogramFlag,
-            sparse_histogram->flags());
-}
-
 TEST_F(SparseHistogramTest, MacroInLoopTest) {
   // Unlike the macros in histogram.h, SparseHistogram macros can have a
   // variable as histogram name.