Add experiments info to crash dumps.

chrome/common/child_process_logging_win.cc

Index: chrome/common/child_process_logging_win.cc
===================================================================
--- chrome/common/child_process_logging_win.cc	(revision 130670)
+++ chrome/common/child_process_logging_win.cc	(working copy)
@@ -48,6 +48,10 @@
 //   void __declspec(dllexport) __cdecl SetCommandLine
 typedef void (__cdecl *MainSetCommandLine)(const CommandLine*);
 
+// exported in breakpad_field_trial_win.cc:
+//   void __declspec(dllexport) __cdecl SetExperimentList
+typedef void (__cdecl *MainSetExperimentList)(const std::vector<string16>&);
+
 void SetActiveURL(const GURL& url) {
   static MainSetActiveURL set_active_url = NULL;
   // note: benign race condition on set_active_url.
@@ -79,6 +83,7 @@
     GoogleUpdateSettings::SetMetricsId(wstr);
 
   static MainSetClientId set_client_id = NULL;
+  // note: benign race condition on set_client_id.
   if (!set_client_id) {
     HMODULE exe_module = GetModuleHandle(chrome::kBrowserProcessExecutableName);
     if (!exe_module)
@@ -101,6 +106,7 @@
 
 void SetActiveExtensions(const std::set<std::string>& extension_ids) {
   static MainSetNumberOfExtensions set_number_of_extensions = NULL;
+  // note: benign race condition on set_number_of_extensions.
   if (!set_number_of_extensions) {
     HMODULE exe_module = GetModuleHandle(chrome::kBrowserProcessExecutableName);
     if (!exe_module)
@@ -112,6 +118,7 @@
   }
 
   static MainSetExtensionID set_extension_id = NULL;
+  // note: benign race condition on set_extension_id.
   if (!set_extension_id) {
     HMODULE exe_module = GetModuleHandle(chrome::kBrowserProcessExecutableName);
     if (!exe_module)
@@ -137,6 +144,7 @@
 
 void SetGpuInfo(const content::GPUInfo& gpu_info) {
   static MainSetGpuInfo set_gpu_info = NULL;
+  // note: benign race condition on set_gpu_info.
   if (!set_gpu_info) {
     HMODULE exe_module = GetModuleHandle(chrome::kBrowserProcessExecutableName);
     if (!exe_module)
@@ -156,6 +164,7 @@
 
 void SetPrinterInfo(const char* printer_info) {
   static MainSetPrinterInfo set_printer_info = NULL;
+  // note: benign race condition on set_printer_info.
   if (!set_printer_info) {
     HMODULE exe_module = GetModuleHandle(chrome::kBrowserProcessExecutableName);
     if (!exe_module)
@@ -170,6 +179,7 @@
 
 void SetCommandLine(const CommandLine* command_line) {
   static MainSetCommandLine set_command_line = NULL;
+  // note: benign race condition on set_command_line.
   if (!set_command_line) {
     HMODULE exe_module = GetModuleHandle(chrome::kBrowserProcessExecutableName);
     if (!exe_module)
@@ -182,8 +192,24 @@
   (set_command_line)(command_line);
 }
 
+void SetExperimentList(const std::vector<string16>& state) {
+  static MainSetExperimentList set_experiment_list = NULL;
+  // note: benign race condition on set_experiment_list.
+  if (!set_experiment_list) {
+    HMODULE exe_module = GetModuleHandle(chrome::kBrowserProcessExecutableName);
+    if (!exe_module)
+      return;
+    set_experiment_list = reinterpret_cast<MainSetExperimentList>(
+        GetProcAddress(exe_module, "SetExperimentList"));
+    if (!set_experiment_list)
+      return;
+  }
+  (set_experiment_list)(state);
+}
+
 void SetNumberOfViews(int number_of_views) {
   static MainSetNumberOfViews set_number_of_views = NULL;
+  // note: benign race condition on set_number_of_views.
   if (!set_number_of_views) {
     HMODULE exe_module = GetModuleHandle(chrome::kBrowserProcessExecutableName);
     if (!exe_module)