Update Crashpad to b4095401639ebe2ad33169e5c1d994065cbff1b8

third_party/crashpad/crashpad/test/win/win_multiprocess.h

Index: third_party/crashpad/crashpad/test/win/win_multiprocess.h
diff --git a/third_party/crashpad/crashpad/test/win/win_multiprocess.h b/third_party/crashpad/crashpad/test/win/win_multiprocess.h
index 663c7594b4323b7b523ce35abf379167dde80277..b9e1564c9c2987118e6de9c2a74e38240e52418e 100644
--- a/third_party/crashpad/crashpad/test/win/win_multiprocess.h
+++ b/third_party/crashpad/crashpad/test/win/win_multiprocess.h
@@ -43,12 +43,16 @@ class WinMultiprocess {
     ASSERT_NO_FATAL_FAILURE(
         WinChildProcess::EntryPoint<ChildProcessHelper<T>>());
     // If WinChildProcess::EntryPoint returns, we are in the parent process.
+    T parent_process;
+    WinMultiprocess* parent_multiprocess = &parent_process;
+
+    parent_multiprocess->WinMultiprocessParentBeforeChild();
+
     std::unique_ptr<WinChildProcess::Handles> child_handles =
         WinChildProcess::Launch();
     ASSERT_TRUE(child_handles.get());
-    T parent_process;
     parent_process.child_handles_ = child_handles.get();
-    static_cast<WinMultiprocess*>(&parent_process)->WinMultiprocessParent();
+    parent_multiprocess->WinMultiprocessParent();
 
     // Close our side of the handles now that we're done. The child can
     // use this to know when it's safe to complete.
@@ -56,12 +60,15 @@ class WinMultiprocess {
     child_handles->write.reset();
 
     // Wait for the child to complete.
-    ASSERT_EQ(WAIT_OBJECT_0,
-              WaitForSingleObject(child_handles->process.get(), INFINITE));
+    ASSERT_EQ(WaitForSingleObject(child_handles->process.get(), INFINITE),
+              WAIT_OBJECT_0);
 
     DWORD exit_code;
     ASSERT_TRUE(GetExitCodeProcess(child_handles->process.get(), &exit_code));
-    ASSERT_EQ(parent_process.exit_code_, exit_code);
+    ASSERT_EQ(exit_code, parent_process.exit_code_);
+
+    parent_multiprocess->WinMultiprocessParentAfterChild(
+        child_handles->process.get());
   }
 
  protected:
@@ -162,6 +169,20 @@ class WinMultiprocess {
   //! Subclasses must implement this method to define how the parent operates.
   virtual void WinMultiprocessParent() = 0;
 
+  //! \brief The optional routine run in parent before the child is spawned.
+  //!
+  //! Subclasses may implement this method to prepare the environment for
+  //! the child process.
+  virtual void WinMultiprocessParentBeforeChild() {}
+
+  //! \brief The optional routine run in parent after the child exits.
+  //!
+  //! Subclasses may implement this method to clean up the environment after
+  //! the child process has exited.
+  //!
+  //! \param[in] child A handle to the exited child process.
+  virtual void WinMultiprocessParentAfterChild(HANDLE child) {}
+
   //! \brief The subclass-provided child routine.
   //!
   //! Test failures should be reported via gtest: `EXPECT_*()`, `ASSERT_*()`,