Metrics provider for statistical stack profiler

base/profiler/stack_sampling_profiler.cc

Index: base/profiler/stack_sampling_profiler.cc
diff --git a/base/profiler/stack_sampling_profiler.cc b/base/profiler/stack_sampling_profiler.cc
index 57b7b355a080923b2acc4b2201d4e58d7bb666ab..f7605079953769e162aa7463ebc54c6ea772485a 100644
--- a/base/profiler/stack_sampling_profiler.cc
+++ b/base/profiler/stack_sampling_profiler.cc
@@ -65,6 +65,10 @@ void PendingProfiles::GetProfiles(
 }  // namespace
 
 StackSamplingProfiler::Module::Module() : base_address(nullptr) {}
+StackSamplingProfiler::Module::Module(const void* base_address,
+                                      const std::string& id,
+                                      const FilePath& filename)
+    : base_address(base_address), id(id), filename(filename) {}
 
 StackSamplingProfiler::Module::~Module() {}
 
@@ -72,6 +76,11 @@ StackSamplingProfiler::Frame::Frame()
     : instruction_pointer(nullptr),
       module_index(-1) {}
 
+StackSamplingProfiler::Frame::Frame(const void* instruction_pointer,
+                                    int module_index)
+    : instruction_pointer(instruction_pointer),
+      module_index(module_index) {}
+
 StackSamplingProfiler::Frame::~Frame() {}
 
 StackSamplingProfiler::Profile::Profile() : preserve_sample_ordering(false) {}