Add and implement API to associate Google experiment IDs with FieldTrials.

chrome/renderer/chrome_render_process_observer.cc

 // 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.
 
 #include "chrome/renderer/chrome_render_process_observer.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/message_loop.h"
@@ skipping 180 matching lines @@
     crypto::ForceNSSNoDBInit();
     crypto::EnsureNSSInit();
   }
 #elif defined(OS_WIN)
   // crypt32.dll is used to decode X509 certificates for Chromoting.
   // Only load this library when the feature is enabled.
   std::string error;
   base::LoadNativeLibrary(FilePath(L"crypt32.dll"), &error);
 #endif
   // Setup initial set of crash dump data for Field Trials in this renderer.
-  ExperimentsHelper::SetChildProcessLoggingExperimentList();
+  experiments_helper::SetChildProcessLoggingExperimentList();
 }
 
 ChromeRenderProcessObserver::~ChromeRenderProcessObserver() {
 }
 
 bool ChromeRenderProcessObserver::OnControlMessageReceived(
     const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(ChromeRenderProcessObserver, message)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SetIsIncognitoProcess,
@@ skipping 90 matching lines @@
       new ChromeViewHostMsg_WriteTcmallocHeapProfile_ACK(filename, result));
 #endif
 }
 
 #endif
 
 void ChromeRenderProcessObserver::OnSetFieldTrialGroup(
     const std::string& field_trial_name,
     const std::string& group_name) {
   base::FieldTrialList::CreateFieldTrial(field_trial_name, group_name);
-  ExperimentsHelper::SetChildProcessLoggingExperimentList();
+  experiments_helper::SetChildProcessLoggingExperimentList();
 }
 
 void ChromeRenderProcessObserver::OnGetV8HeapStats() {
   v8::HeapStatistics heap_stats;
   v8::V8::GetHeapStatistics(&heap_stats);
   RenderThread::Get()->Send(new ChromeViewHostMsg_V8HeapStats(
       heap_stats.total_heap_size(), heap_stats.used_heap_size()));
 }
 
 void ChromeRenderProcessObserver::OnPurgeMemory() {
@@ skipping 29 matching lines @@
   if (clear_cache_pending_) {
     clear_cache_pending_ = false;
     WebCache::clear();
   }
 }
 
 const RendererContentSettingRules*
 ChromeRenderProcessObserver::content_setting_rules() const {
   return &content_setting_rules_;
 }