Add experiments info to crash dumps.

chrome/common/child_process_logging_posix.cc

Index: chrome/common/child_process_logging_posix.cc
===================================================================
--- chrome/common/child_process_logging_posix.cc	(revision 125856)
+++ chrome/common/child_process_logging_posix.cc	(working copy)
@@ -126,6 +126,15 @@
   g_switches[kMaxSwitchesSize - 1] = '\0';
 }
 
+void InitExperimentList() {
+  // TODO(mad): Implement this.
+}
+
+void AddFieldTrialGroup(const std::string& field_trial_name,
+                        const std::string& group_name) {
+  // TODO(mad): Implement this.
+}
+
 void SetChannel(const std::string& channel) {
   strncpy(g_channel, channel.c_str(), kChannelSize - 1);
   g_channel[kChannelSize - 1] = '\0';