StabilityReport proto changes for multi-process support

base/debug/activity_analyzer.h

Index: base/debug/activity_analyzer.h
diff --git a/base/debug/activity_analyzer.h b/base/debug/activity_analyzer.h
index 38a2e658f005c7f6cc3c4c4bb43c99f1fed00193..88c8e84b99d5fc84fe7198952e3eb75828411157 100644
--- a/base/debug/activity_analyzer.h
+++ b/base/debug/activity_analyzer.h
@@ -179,8 +179,10 @@ class BASE_EXPORT GlobalActivityAnalyzer {
   // Gets all log messages stored within.
   std::vector<std::string> GetLogMessages();
 
-  // Gets all the known modules.
-  std::vector<GlobalActivityTracker::ModuleInfo> GetModules();
+  // Gets modules corresponding to a pid. This pid must come from a call to
+  // GetFirst/NextProcess. Only modules that were first registered prior to
+  // GetFirstProcess's snapshot are returned.
+  std::vector<GlobalActivityTracker::ModuleInfo> GetModules(int64_t pid);
 
   // Gets the corresponding "program location" for a given "program counter".
   // This will return {0,0} if no mapping could be found.