Add experiments info to crash dumps.

chrome/common/child_process_logging.h

Index: chrome/common/child_process_logging.h
===================================================================
--- chrome/common/child_process_logging.h	(revision 125856)
+++ chrome/common/child_process_logging.h	(working copy)
@@ -24,6 +24,11 @@
 // dependency.
 static const int kMaxReportedActiveExtensions = 10;
 
+// The maximum number of experiment chunks we will report.
+// Also used in chrome/app, but we define it here to avoid a common->app
+// dependency.
+static const int kMaxReportedExperimentChunks = 15;
+
 // The maximum number of command line switches to include in the crash
 // report's metadata. Note that the mini-dump itself will also contain the
 // (original) command line arguments within the PEB.
@@ -86,6 +91,13 @@
 // values in |command_line|.
 void SetCommandLine(const CommandLine* command_line);
 
+// Initialize the list of experiment info to send along with crash reports.
+void InitExperimentList();
+
+// Add a new experiment group info to send along with crash reports.
+void AddFieldTrialGroup(const std::string& field_trial_name,
+                        const std::string& group_name);
+
 #if defined(OS_LINUX) || defined(OS_OPENBSD) || defined(OS_MACOSX)
 // Sets the product channel data to send along with crash reports to |channel|.
 void SetChannel(const std::string& channel);