Add comments to HistogramFlatterner interface and rename a function

Review URL: https://chromiumcodereview.appspot.com/10857067

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@152434 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 11 insertions, 6 deletions

diff --git a/content/common/child_histogram_message_filter.cc b/content/common/child_histogram_message_filter.cc
index 85d905c..a0ca7b9 100644
--- a/content/common/child_histogram_message_filter.cc
+++ b/content/common/child_histogram_message_filter.cc
@@ -81,17 +81,20 @@ void ChildHistogramMessageFilter::RecordDelta(
   pickled_histograms_.push_back(histogram_info);
 }
 
-void ChildHistogramMessageFilter::InconsistencyDetected(int problem) {
+void ChildHistogramMessageFilter::InconsistencyDetected(
+    base::Histogram::Inconsistencies problem) {
   UMA_HISTOGRAM_ENUMERATION("Histogram.InconsistenciesChildProcess",
                             problem, base::Histogram::NEVER_EXCEEDED_VALUE);
 }
 
-void ChildHistogramMessageFilter::UniqueInconsistencyDetected(int problem) {
+void ChildHistogramMessageFilter::UniqueInconsistencyDetected(
+    base::Histogram::Inconsistencies problem) {
   UMA_HISTOGRAM_ENUMERATION("Histogram.InconsistenciesChildProcessUnique",
                             problem, base::Histogram::NEVER_EXCEEDED_VALUE);
 }
 
-void ChildHistogramMessageFilter::SnapshotProblemResolved(int amount) {
+void ChildHistogramMessageFilter::InconsistencyDetectedInLoggedCount(
+    int amount) {
   UMA_HISTOGRAM_COUNTS("Histogram.InconsistentSnapshotChildProcess",
                        std::abs(amount));
 }
diff --git a/content/common/child_histogram_message_filter.h b/content/common/child_histogram_message_filter.h
index ce9a348..c28fb8e 100644
--- a/content/common/child_histogram_message_filter.h
+++ b/content/common/child_histogram_message_filter.h
@@ -33,9 +33,11 @@ class ChildHistogramMessageFilter : public base::HistogramFlattener,
   // HistogramFlattener interface (override) methods.
   virtual void RecordDelta(const base::Histogram& histogram,
                            const base::Histogram::SampleSet& snapshot) OVERRIDE;
-  virtual void InconsistencyDetected(int problem) OVERRIDE;
-  virtual void UniqueInconsistencyDetected(int problem) OVERRIDE;
-  virtual void SnapshotProblemResolved(int amount) OVERRIDE;
+  virtual void InconsistencyDetected(
+      base::Histogram::Inconsistencies problem) OVERRIDE;
+  virtual void UniqueInconsistencyDetected(
+      base::Histogram::Inconsistencies problem) OVERRIDE;
+  virtual void InconsistencyDetectedInLoggedCount(int amount) OVERRIDE;
 
  private:
   typedef std::vector<std::string> HistogramPickledList;