Stack sampling profiler: fix off-by-one error on truncated stacks

base/profiler/native_stack_sampler_win.cc

Index: base/profiler/native_stack_sampler_win.cc
diff --git a/base/profiler/native_stack_sampler_win.cc b/base/profiler/native_stack_sampler_win.cc
index 167dc25e0a9364350a7c90c2336f925650382431..7b41fee4fd50d5478f5bc1e92c5601d40ca2aaf1 100644
--- a/base/profiler/native_stack_sampler_win.cc
+++ b/base/profiler/native_stack_sampler_win.cc
@@ -148,7 +148,7 @@ int RecordStack(CONTEXT* context, int max_stack_size,
   for (; (i < max_stack_size) && context->Rip; ++i) {
     instruction_pointers[i] = reinterpret_cast<const void*>(context->Rip);
     if (!frame_unwinder.TryUnwind(context, &modules[i]))
-      return i + 1;
+      return i;
   }
   return i;
 #else