cast_shell_android buildfix: remove stderr reference.

chromecast/base/process_utils_unittest.cc

 // Copyright 2015 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.
 
 #include "chromecast/base/process_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace chromecast {
 
 // Verify that a simple process works as expected.
@@ skipping 26 matching lines @@
 // Verify that false is returned when a command an error code.
 TEST(ProcessUtilsTest, ProcessReturnsError) {
   // Create a simple command.
   std::vector<std::string> args;
   args.push_back("cd");
   args.push_back("path/to/invalid/directory");
   args.push_back("2>&1");  // Pipe the stderr into stdout.
 
   // Execute the command and collect the output. Verify that the output of the
   // process is collected, even when the process returns an error code.
-  std::string stderr;
-  ASSERT_FALSE(GetAppOutput(args, &stderr));
-  ASSERT_FALSE(stderr.empty());
+  std::string stderr_result;
+  ASSERT_FALSE(GetAppOutput(args, &stderr_result));
+  ASSERT_FALSE(stderr_result.empty());
 }
 
 }  // namespace chromecast