Don't print the callstack in forked browser test processes.

content/test/browser_test_base.h

 // Copyright (c) 2012 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.
 
 #ifndef CONTENT_TEST_BROWSER_TEST_BASE_H_
 #define CONTENT_TEST_BROWSER_TEST_BASE_H_
 
 #include "base/compiler_specific.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "net/test/test_server.h"
@@ skipping 42 matching lines @@
 
   // This is invoked from main after browser_init/browser_main have completed.
   // This prepares for the test by creating a new browser, runs the test
   // (RunTestOnMainThread), quits the browsers and returns.
   virtual void RunTestOnMainThreadLoop() = 0;
 
   // Returns the testing server. Guaranteed to be non-NULL.
   const net::TestServer* test_server() const { return test_server_.get(); }
   net::TestServer* test_server() { return test_server_.get(); }
 
+#if defined(OS_POSIX)
+  // This is only needed by a test that raises SIGTERM to ensure that a specific
+  // codepath is taken.
+  void DisableSIGTERMHandling() {
+    handle_sigterm_ = false;
+  }
+#endif
+
   // This function is meant only for classes that directly derive from this
   // class to construct the test server in their constructor. They might need to
   // call this after setting up the paths. Actual test cases should never call
   // this.
   // |test_server_base| is the path, relative to src, to give to the test HTTP
   // server.
   void CreateTestServer(const char* test_server_base);
 
  private:
   void ProxyRunTestOnMainThreadLoop();
 
   // Testing server, started on demand.
   scoped_ptr<net::TestServer> test_server_;
+
+#if defined(OS_POSIX)
+  bool handle_sigterm_;
+#endif
 };
 
 #endif  // CONTENT_TEST_BROWSER_TEST_BASE_H_