Moving src/webrtc into src/.

In order to eliminate the WebRTC Subtree mirror in Chromium, 
WebRTC is moving the content of the src/webrtc directory up
to the src/ directory.

NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
TBR=tommi@webrtc.org

Bug: chromium:611808
Change-Id: Iac59c5b51b950f174119565bac87955a7994bc38
Reviewed-on: https://webrtc-review.googlesource.com/1560
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Henrik Kjellander <kjellander@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#19845}

test/testsupport/perf_test.h

@@ -0,0 +1,140 @@
+/*
+ *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+// A stripped-down version of Chromium's chrome/test/perf/perf_test.h.
+// Several functions have been removed; the prototypes of the remainder have
+// not been changed.
+
+#ifndef WEBRTC_TEST_TESTSUPPORT_PERF_TEST_H_
+#define WEBRTC_TEST_TESTSUPPORT_PERF_TEST_H_
+
+#include <sstream>
+#include <string>
+
+namespace webrtc {
+namespace test {
+
+// Prints numerical information to stdout in a controlled format, for
+// post-processing. |measurement| is a description of the quantity being
+// measured, e.g. "vm_peak"; |modifier| is provided as a convenience and
+// will be appended directly to the name of the |measurement|, e.g.
+// "_browser"; |trace| is a description of the particular data point, e.g.
+// "reference"; |value| is the measured value; and |units| is a description
+// of the units of measure, e.g. "bytes". If |important| is true, the output
+// line will be specially marked, to notify the post-processor. The strings
+// may be empty.  They should not contain any colons (:) or equals signs (=).
+// A typical post-processing step would be to produce graphs of the data
+// produced for various builds, using the combined |measurement| + |modifier|
+// string to specify a particular graph and the |trace| to identify a trace
+// (i.e., data series) on that graph.
+void PrintResult(const std::string& measurement,
+                 const std::string& modifier,
+                 const std::string& trace,
+                 size_t value,
+                 const std::string& units,
+                 bool important);
+
+void AppendResult(std::string& output,
+                  const std::string& measurement,
+                  const std::string& modifier,
+                  const std::string& trace,
+                  size_t value,
+                  const std::string& units,
+                  bool important);
+
+// Like the above version of PrintResult(), but takes a std::string value
+// instead of a size_t.
+void PrintResult(const std::string& measurement,
+                 const std::string& modifier,
+                 const std::string& trace,
+                 const std::string& value,
+                 const std::string& units,
+                 bool important);
+
+void AppendResult(std::string& output,
+                  const std::string& measurement,
+                  const std::string& modifier,
+                  const std::string& trace,
+                  const std::string& value,
+                  const std::string& units,
+                  bool important);
+
+// Like PrintResult(), but prints a (mean, standard deviation) result pair.
+// The |<values>| should be two comma-separated numbers, the mean and
+// standard deviation (or other error metric) of the measurement.
+void PrintResultMeanAndError(const std::string& measurement,
+                             const std::string& modifier,
+                             const std::string& trace,
+                             const std::string& mean_and_error,
+                             const std::string& units,
+                             bool important);
+
+void AppendResultMeanAndError(std::string& output,
+                              const std::string& measurement,
+                              const std::string& modifier,
+                              const std::string& trace,
+                              const std::string& mean_and_error,
+                              const std::string& units,
+                              bool important);
+
+// Like PrintResult(), but prints an entire list of results. The |values|
+// will generally be a list of comma-separated numbers. A typical
+// post-processing step might produce plots of their mean and standard
+// deviation.
+void PrintResultList(const std::string& measurement,
+                     const std::string& modifier,
+                     const std::string& trace,
+                     const std::string& values,
+                     const std::string& units,
+                     bool important);
+
+void AppendResultList(std::string& output,
+                      const std::string& measurement,
+                      const std::string& modifier,
+                      const std::string& trace,
+                      const std::string& values,
+                      const std::string& units,
+                      bool important);
+
+// Prints memory commit charge stats for use by perf graphs.
+void PrintSystemCommitCharge(const std::string& test_name,
+                             size_t charge,
+                             bool important);
+
+void PrintSystemCommitCharge(FILE* target,
+                             const std::string& test_name,
+                             size_t charge,
+                             bool important);
+
+std::string SystemCommitChargeToString(const std::string& test_name,
+                                       size_t charge,
+                                       bool important);
+
+// Converts list of values into comma-separated string for PrintResultList.
+template <typename Container>
+std::string ValuesToString(const Container& container) {
+  if (container.empty())
+    return "";
+
+  std::stringstream ss;
+  auto it = container.begin();
+  while (true) {
+    ss << *it;
+    if (++it == container.end())
+      break;
+    ss << ',';
+  }
+  return ss.str();
+}
+
+}  // namespace test
+}  // namespace webrtc
+
+#endif  // WEBRTC_TEST_TESTSUPPORT_PERF_TEST_H_