Only HistogramBase is used outside of base/metrics.

So client code of histogram will see a simpler interface. This also makes adding SparseHistogram to existing metrics framework possible.

This CL depends on https://codereview.chromium.org/11682003/
So please review that one first.

TBR=sky@chromium.org,erikwright@chromium.org
BUG=139612

Review URL: https://chromiumcodereview.appspot.com/11615008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@178242 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 10 insertions, 10 deletions

diff --git a/webkit/glue/webkitplatformsupport_impl.cc b/webkit/glue/webkitplatformsupport_impl.cc
index a199422..6ebd52a 100644
--- a/webkit/glue/webkitplatformsupport_impl.cc
+++ b/webkit/glue/webkitplatformsupport_impl.cc
@@ -418,9 +418,9 @@ void WebKitPlatformSupportImpl::histogramCustomCounts(
     const char* name, int sample, int min, int max, int bucket_count) {
   // Copied from histogram macro, but without the static variable caching
   // the histogram because name is dynamic.
-  base::Histogram* counter =
+  base::HistogramBase* counter =
       base::Histogram::FactoryGet(name, min, max, bucket_count,
-          base::Histogram::kUmaTargetedHistogramFlag);
+          base::HistogramBase::kUmaTargetedHistogramFlag);
   DCHECK_EQ(name, counter->histogram_name());
   counter->Add(sample);
 }
@@ -429,9 +429,9 @@ void WebKitPlatformSupportImpl::histogramEnumeration(
     const char* name, int sample, int boundary_value) {
   // Copied from histogram macro, but without the static variable caching
   // the histogram because name is dynamic.
-  base::Histogram* counter =
+  base::HistogramBase* counter =
       base::LinearHistogram::FactoryGet(name, 1, boundary_value,
-          boundary_value + 1, base::Histogram::kUmaTargetedHistogramFlag);
+          boundary_value + 1, base::HistogramBase::kUmaTargetedHistogramFlag);
   DCHECK_EQ(name, counter->histogram_name());
   counter->Add(sample);
 }
diff --git a/webkit/plugins/ppapi/ppb_uma_private_impl.cc b/webkit/plugins/ppapi/ppb_uma_private_impl.cc
index ec85c16..fb30a06 100644
--- a/webkit/plugins/ppapi/ppb_uma_private_impl.cc
+++ b/webkit/plugins/ppapi/ppb_uma_private_impl.cc
@@ -36,13 +36,13 @@ void HistogramCustomTimes(PP_Var name,
   StringVar* name_string = StringVar::FromPPVar(name);
   if (name_string == NULL)
     return;
-  base::Histogram* counter =
+  base::HistogramBase* counter =
       base::Histogram::FactoryTimeGet(
           name_string->value(),
           base::TimeDelta::FromMilliseconds(min),
           base::TimeDelta::FromMilliseconds(max),
           bucket_count,
-          base::Histogram::kUmaTargetedHistogramFlag);
+          base::HistogramBase::kUmaTargetedHistogramFlag);
   counter->AddTime(base::TimeDelta::FromMilliseconds(sample));
 }
 
@@ -55,13 +55,13 @@ void HistogramCustomCounts(PP_Var name,
   StringVar* name_string = StringVar::FromPPVar(name);
   if (name_string == NULL)
     return;
-  base::Histogram* counter =
+  base::HistogramBase* counter =
       base::Histogram::FactoryGet(
           name_string->value(),
           min,
           max,
           bucket_count,
-          base::Histogram::kUmaTargetedHistogramFlag);
+          base::HistogramBase::kUmaTargetedHistogramFlag);
   counter->Add(sample);
 }
 
@@ -73,13 +73,13 @@ void HistogramEnumeration(PP_Var name,
   StringVar* name_string = StringVar::FromPPVar(name);
   if (name_string == NULL)
     return;
-  base::Histogram* counter =
+  base::HistogramBase* counter =
       base::LinearHistogram::FactoryGet(
           name_string->value(),
           1,
           boundary_value,
           boundary_value + 1,
-          base::Histogram::kUmaTargetedHistogramFlag);
+          base::HistogramBase::kUmaTargetedHistogramFlag);
   counter->Add(sample);
 }