StabilityReport proto changes for multi-process support

base/debug/activity_analyzer.cc

Index: base/debug/activity_analyzer.cc
diff --git a/base/debug/activity_analyzer.cc b/base/debug/activity_analyzer.cc
index e27e47e4d7d3635f874090a586c34b84d5d19ac3..19bb767112cb3b3b1837b01d67b7ab8e60113586 100644
--- a/base/debug/activity_analyzer.cc
+++ b/base/debug/activity_analyzer.cc
@@ -83,7 +83,9 @@ void ThreadActivityAnalyzer::AddGlobalInformation(
 
 GlobalActivityAnalyzer::GlobalActivityAnalyzer(
     std::unique_ptr<PersistentMemoryAllocator> allocator)
-    : allocator_(std::move(allocator)), allocator_iterator_(allocator_.get()) {
+    : allocator_(std::move(allocator)),
+      analysis_stamp_(0LL),
+      allocator_iterator_(allocator_.get()) {
   DCHECK(allocator_);
 }
 
@@ -232,7 +234,7 @@ std::vector<std::string> GlobalActivityAnalyzer::GetLogMessages() {
 }
 
 std::vector<GlobalActivityTracker::ModuleInfo>
-GlobalActivityAnalyzer::GetModules() {
+GlobalActivityAnalyzer::GetModules(int64_t pid) {
   std::vector<GlobalActivityTracker::ModuleInfo> modules;
 
   PersistentMemoryAllocator::Iterator iter(allocator_.get());
@@ -241,6 +243,13 @@ GlobalActivityAnalyzer::GetModules() {
       (record =
            iter.GetNextOfObject<GlobalActivityTracker::ModuleInfoRecord>()) !=
       nullptr) {
+    int64_t process_id;
+    int64_t create_stamp;
+    if (!OwningProcess::GetOwningProcessId(&record->owner, &process_id,
+                                           &create_stamp) ||
+        pid != process_id || create_stamp > analysis_stamp_) {
+      continue;
+    }
     GlobalActivityTracker::ModuleInfo info;
     if (record->DecodeTo(&info, allocator_->GetAllocSize(
                                     allocator_->GetAsReference(record)))) {