Stack sampling profiler: re-enable stack collection for stacks terminated by leaf functions

base/BUILD.gn

 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 
 if (is_android) {
   import("//build/config/android/rules.gni")
 }
@@ skipping 742 matching lines @@
     # Remove NaCl stuff.
     sources -= [
       "os_compat_nacl.cc",
       "os_compat_nacl.h",
       "rand_util_nacl.cc",
     ]
   }
 
   # Windows.
   if (is_win) {
+    sources += [
+      "profiler/win32_stack_frame_unwinder.cc",
+      "profiler/win32_stack_frame_unwinder.h",
+    ]
+
     sources -= [
       "message_loop/message_pump_libevent.cc",
       "strings/string16.cc",
 
       # Not using sha1_win.cc because it may have caused a
       # regression to page cycler moz.
       "sha1_win.cc",
     ]
 
     # Required for base/stack_trace_win.cc to symbolize correctly.
@@ skipping 886 matching lines @@
 
   # GYP: //base.gyp:base_java_unittest_support
   android_library("base_java_unittest_support") {
     deps = [
       ":base_java",
     ]
     java_files =
         [ "test/android/java/src/org/chromium/base/ContentUriTestUtils.java" ]
   }
 }