Move Pickle to base namespace.

base/metrics/histogram.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Histogram is an object that aggregates statistics, and can summarize them in
 // various forms, including ASCII graphical, HTML, and numerically (as a
 // vector of numbers corresponding to each of the aggregating buckets).
 
 // It supports calls to accumulate either time intervals (which are processed
 // as integral number of milliseconds), or arbitrary integral units.
@@ skipping 65 matching lines @@
 #include "base/gtest_prod_util.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/bucket_ranges.h"
 #include "base/metrics/histogram_base.h"
 // TODO(asvitkine): Migrate callers to to include this directly and remove this.
 #include "base/metrics/histogram_macros.h"
 #include "base/metrics/histogram_samples.h"
 #include "base/time/time.h"
 
-class Pickle;
-class PickleIterator;
-
 namespace base {
 
 class BooleanHistogram;
 class CustomHistogram;
 class Histogram;
 class LinearHistogram;
+class Pickle;
+class PickleIterator;
 class SampleVector;
 
 class BASE_EXPORT Histogram : public HistogramBase {
  public:
   // Initialize maximum number of buckets in histograms as 16,384.
   static const size_t kBucketCount_MAX;
 
   typedef std::vector<Count> Counts;
 
   //----------------------------------------------------------------------------
@@ skipping 58 matching lines @@
                                            size_t* bucket_count);
 
   // HistogramBase implementation:
   HistogramType GetHistogramType() const override;
   bool HasConstructionArguments(Sample expected_minimum,
                                 Sample expected_maximum,
                                 size_t expected_bucket_count) const override;
   void Add(Sample value) override;
   scoped_ptr<HistogramSamples> SnapshotSamples() const override;
   void AddSamples(const HistogramSamples& samples) override;
-  bool AddSamplesFromPickle(PickleIterator* iter) override;
+  bool AddSamplesFromPickle(base::PickleIterator* iter) override;
   void WriteHTMLGraph(std::string* output) const override;
   void WriteAscii(std::string* output) const override;
 
  protected:
   // |ranges| should contain the underflow and overflow buckets. See top
   // comments for example.
   Histogram(const std::string& name,
             Sample minimum,
             Sample maximum,
             const BucketRanges* ranges);
 
   ~Histogram() override;
 
   // HistogramBase implementation:
-  bool SerializeInfoImpl(Pickle* pickle) const override;
+  bool SerializeInfoImpl(base::Pickle* pickle) const override;
 
   // Method to override to skip the display of the i'th bucket if it's empty.
   virtual bool PrintEmptyBucket(size_t index) const;
 
   // Get normalized size, relative to the ranges(i).
   virtual double GetBucketSize(Count current, size_t i) const;
 
   // Return a string description of what goes in a given bucket.
   // Most commonly this is the numeric value, but in derived classes it may
   // be a name (or string description) given to the bucket.
   virtual const std::string GetAsciiBucketRange(size_t it) const;
 
  private:
   // Allow tests to corrupt our innards for testing purposes.
   FRIEND_TEST_ALL_PREFIXES(HistogramTest, BoundsTest);
   FRIEND_TEST_ALL_PREFIXES(HistogramTest, BucketPlacementTest);
   FRIEND_TEST_ALL_PREFIXES(HistogramTest, CorruptBucketBounds);
   FRIEND_TEST_ALL_PREFIXES(HistogramTest, CorruptSampleCounts);
   FRIEND_TEST_ALL_PREFIXES(HistogramTest, NameMatchTest);
 
   friend class StatisticsRecorder;  // To allow it to delete duplicates.
   friend class StatisticsRecorderTest;
 
   friend BASE_EXPORT_PRIVATE HistogramBase* DeserializeHistogramInfo(
-      PickleIterator* iter);
-  static HistogramBase* DeserializeInfoImpl(PickleIterator* iter);
+      base::PickleIterator* iter);
+  static HistogramBase* DeserializeInfoImpl(base::PickleIterator* iter);
 
   // Implementation of SnapshotSamples function.
   scoped_ptr<SampleVector> SnapshotSampleVector() const;
 
   //----------------------------------------------------------------------------
   // Helpers for emitting Ascii graphic.  Each method appends data to output.
 
   void WriteAsciiImpl(bool graph_it,
                       const std::string& newline,
                       std::string* output) const;
@@ skipping 89 matching lines @@
   // If we have a description for a bucket, then return that.  Otherwise
   // let parent class provide a (numeric) description.
   const std::string GetAsciiBucketRange(size_t i) const override;
 
   // Skip printing of name for numeric range if we have a name (and if this is
   // an empty bucket).
   bool PrintEmptyBucket(size_t index) const override;
 
  private:
   friend BASE_EXPORT_PRIVATE HistogramBase* DeserializeHistogramInfo(
-      PickleIterator* iter);
-  static HistogramBase* DeserializeInfoImpl(PickleIterator* iter);
+      base::PickleIterator* iter);
+  static HistogramBase* DeserializeInfoImpl(base::PickleIterator* iter);
 
   // For some ranges, we store a printable description of a bucket range.
   // If there is no description, then GetAsciiBucketRange() uses parent class
   // to provide a description.
   typedef std::map<Sample, std::string> BucketDescriptionMap;
   BucketDescriptionMap bucket_description_;
 
   DISALLOW_COPY_AND_ASSIGN(LinearHistogram);
 };
 
 //------------------------------------------------------------------------------
 
 // BooleanHistogram is a histogram for booleans.
 class BASE_EXPORT BooleanHistogram : public LinearHistogram {
  public:
   static HistogramBase* FactoryGet(const std::string& name, int32 flags);
 
   HistogramType GetHistogramType() const override;
 
  private:
   BooleanHistogram(const std::string& name, const BucketRanges* ranges);
 
   friend BASE_EXPORT_PRIVATE HistogramBase* DeserializeHistogramInfo(
-      PickleIterator* iter);
-  static HistogramBase* DeserializeInfoImpl(PickleIterator* iter);
+      base::PickleIterator* iter);
+  static HistogramBase* DeserializeInfoImpl(base::PickleIterator* iter);
 
   DISALLOW_COPY_AND_ASSIGN(BooleanHistogram);
 };
 
 //------------------------------------------------------------------------------
 
 // CustomHistogram is a histogram for a set of custom integers.
 class BASE_EXPORT CustomHistogram : public Histogram {
  public:
   // |custom_ranges| contains a vector of limits on ranges. Each limit should be
@@ skipping 13 matching lines @@
   // valid sample value (unless the next higher sample is also a valid value),
   // so that invalid samples never fall into the same bucket as valid samples.
   // TODO(kaiwang): Change name to ArrayToCustomEnumRanges.
   static std::vector<Sample> ArrayToCustomRanges(const Sample* values,
                                                  size_t num_values);
  protected:
   CustomHistogram(const std::string& name,
                   const BucketRanges* ranges);
 
   // HistogramBase implementation:
-  bool SerializeInfoImpl(Pickle* pickle) const override;
+  bool SerializeInfoImpl(base::Pickle* pickle) const override;
 
   double GetBucketSize(Count current, size_t i) const override;
 
  private:
   friend BASE_EXPORT_PRIVATE HistogramBase* DeserializeHistogramInfo(
-      PickleIterator* iter);
-  static HistogramBase* DeserializeInfoImpl(PickleIterator* iter);
+      base::PickleIterator* iter);
+  static HistogramBase* DeserializeInfoImpl(base::PickleIterator* iter);
 
   static bool ValidateCustomRanges(const std::vector<Sample>& custom_ranges);
   static BucketRanges* CreateBucketRangesFromCustomRanges(
       const std::vector<Sample>& custom_ranges);
 
   DISALLOW_COPY_AND_ASSIGN(CustomHistogram);
 };
 
 }  // namespace base
 
 #endif  // BASE_METRICS_HISTOGRAM_H_