crash-reporter: Add diagnostics to help diagnose failures in the wild

crash_collector.h

Index: crash_collector.h
diff --git a/crash_collector.h b/crash_collector.h
index 772de24b7d016d08efa3e53bd3bb41dcd1601089..f3fcbe596f7461db0f29f05597ec9decd0ce923c 100644
--- a/crash_collector.h
+++ b/crash_collector.h
@@ -48,6 +48,15 @@ class CrashCollector {
   FRIEND_TEST(CrashCollectorTest, ReadKeyValueFile);
   FRIEND_TEST(CrashCollectorTest, Sanitize);
   FRIEND_TEST(CrashCollectorTest, WriteNewFile);
+  FRIEND_TEST(ForkExecAndPipeTest, Basic);
+  FRIEND_TEST(ForkExecAndPipeTest, NonZeroReturnValue);
+  FRIEND_TEST(ForkExecAndPipeTest, BadOutputFile);
+  FRIEND_TEST(ForkExecAndPipeTest, ExistingOutputFile);
+  FRIEND_TEST(ForkExecAndPipeTest, BadExecutable);
+  FRIEND_TEST(ForkExecAndPipeTest, StderrCaptured);
+  FRIEND_TEST(ForkExecAndPipeTest, NULLParam);
+  FRIEND_TEST(ForkExecAndPipeTest, NoParams);
+  FRIEND_TEST(ForkExecAndPipeTest, SegFaultHandling);
 
   // Set maximum enqueued crashes in a crash directory.
   static const int kMaxCrashDirectorySize;