Revert of Add APK targets to build libjingle tests for Android.

webrtc/test/field_trial.cc

 /*
  *  Copyright (c) 2014 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.
  */
 
 #include "webrtc/test/field_trial.h"
 
 #include <algorithm>
 #include <cassert>
 #include <cstdio>
 #include <cstdlib>
 #include <map>
 #include <string>
 
 #include "webrtc/system_wrappers/include/field_trial.h"
-#include "webrtc/system_wrappers/include/field_trial_default.h"
 
 namespace webrtc {
 namespace {
+// Clients of this library have show a clear intent to setup field trials by
+// linking with it. As so try to crash if they forget to call
+// InitFieldTrialsFromString before webrtc tries to access a field trial.
 bool field_trials_initiated_ = false;
+std::map<std::string, std::string> field_trials_;
 }  // namespace
 
+namespace field_trial {
+std::string FindFullName(const std::string& trial_name) {
+  assert(field_trials_initiated_);
+  std::map<std::string, std::string>::const_iterator it =
+      field_trials_.find(trial_name);
+  if (it == field_trials_.end())
+    return std::string();
+  return it->second;
+}
+}  // namespace field_trial
+
 namespace test {
 // Note: this code is copied from src/base/metrics/field_trial.cc since the aim
 // is to mimic chromium --force-fieldtrials.
 void InitFieldTrialsFromString(const std::string& trials_string) {
   static const char kPersistentStringSeparator = '/';
 
   // Catch an error if this is called more than once.
   assert(!field_trials_initiated_);
   field_trials_initiated_ = true;
 
   if (trials_string.empty())
     return;
 
   size_t next_item = 0;
-  std::map<std::string, std::string> field_trials;
   while (next_item < trials_string.length()) {
     size_t name_end = trials_string.find(kPersistentStringSeparator, next_item);
     if (name_end == trials_string.npos || next_item == name_end)
       break;
     size_t group_name_end = trials_string.find(kPersistentStringSeparator,
                                                name_end + 1);
     if (group_name_end == trials_string.npos || name_end + 1 == group_name_end)
       break;
     std::string name(trials_string, next_item, name_end - next_item);
     std::string group_name(trials_string, name_end + 1,
                            group_name_end - name_end - 1);
     next_item = group_name_end + 1;
 
     // Fail if duplicate with different group name.
-    if (field_trials.find(name) != field_trials.end() &&
-        field_trials.find(name)->second != group_name) {
+    if (field_trials_.find(name) != field_trials_.end() &&
+        field_trials_.find(name)->second != group_name)
       break;
-    }
 
-    field_trials[name] = group_name;
+    field_trials_[name] = group_name;
 
     // Successfully parsed all field trials from the string.
-    if (next_item == trials_string.length()) {
-      webrtc::field_trial::InitFieldTrialsFromString(trials_string.c_str());
+    if (next_item == trials_string.length())
       return;
-    }
   }
   // Using fprintf as LOG does not print when this is called early in main.
   fprintf(stderr, "Invalid field trials string.\n");
 
   // Using abort so it crashes in both debug and release mode.
   abort();
 }
 
 ScopedFieldTrials::ScopedFieldTrials(const std::string& config)
-  : previous_field_trials_(webrtc::field_trial::GetFieldTrialString()) {
+    : previous_field_trials_(field_trials_) {
   assert(field_trials_initiated_);
   field_trials_initiated_ = false;
-  current_field_trials_ = config;
-  InitFieldTrialsFromString(current_field_trials_);
+  field_trials_.clear();
+  InitFieldTrialsFromString(config);
 }
 
 ScopedFieldTrials::~ScopedFieldTrials() {
   // Should still be initialized, since InitFieldTrials is called from ctor.
   // That's why we don't restore the flag.
   assert(field_trials_initiated_);
-  webrtc::field_trial::InitFieldTrialsFromString(previous_field_trials_);
+  field_trials_ = previous_field_trials_;
 }
 
 }  // namespace test
 }  // namespace webrtc