Only do aggressive metro viewer termination in tests

base/test/test_process_killer_win.cc

-// 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.
-
-#include "base/test/test_process_killer_win.h"
-
-#include <windows.h>
-#include <winternl.h>
-
-#include <algorithm>
-
-#include "base/logging.h"
-#include "base/process/kill.h"
-#include "base/process/process_iterator.h"
-#include "base/strings/string_util.h"
-#include "base/win/scoped_handle.h"
-
-namespace {
-
-typedef LONG WINAPI
-NtQueryInformationProcess(
-  IN HANDLE ProcessHandle,
-  IN PROCESSINFOCLASS ProcessInformationClass,
-  OUT PVOID ProcessInformation,
-  IN ULONG ProcessInformationLength,
-  OUT PULONG ReturnLength OPTIONAL
-);
-
-// Get the function pointer to NtQueryInformationProcess in NTDLL.DLL
-static bool GetQIP(NtQueryInformationProcess** qip_func_ptr) {
-  static NtQueryInformationProcess* qip_func =
-      reinterpret_cast<NtQueryInformationProcess*>(
-          GetProcAddress(GetModuleHandle(L"ntdll.dll"),
-          "NtQueryInformationProcess"));
-  DCHECK(qip_func) << "Could not get pointer to NtQueryInformationProcess.";
-  *qip_func_ptr = qip_func;
-  return qip_func != NULL;
-}
-
-// Get the command line of a process
-bool GetCommandLineForProcess(uint32 process_id, base::string16* cmd_line) {
-  DCHECK(process_id != 0);
-  DCHECK(cmd_line);
-
-  // Open the process
-  base::win::ScopedHandle process_handle(::OpenProcess(
-      PROCESS_QUERY_INFORMATION | PROCESS_VM_READ,
-      false,
-      process_id));
-  if (!process_handle) {
-    DLOG(ERROR) << "Failed to open process " << process_id << ", last error = "
-                << GetLastError();
-  }
-
-  // Obtain Process Environment Block
-  NtQueryInformationProcess* qip_func = NULL;
-  if (process_handle) {
-    GetQIP(&qip_func);
-  }
-
-  // Read the address of the process params from the peb.
-  DWORD process_params_address = 0;
-  if (qip_func) {
-    PROCESS_BASIC_INFORMATION info = { 0 };
-    // NtQueryInformationProcess returns an NTSTATUS for whom negative values
-    // are negative. Just check for that instead of pulling in DDK macros.
-    if ((qip_func(process_handle.Get(),
-                  ProcessBasicInformation,
-                  &info,
-                  sizeof(info),
-                  NULL)) < 0) {
-      DLOG(ERROR) << "Failed to invoke NtQueryProcessInformation, last error = "
-                  << GetLastError();
-    } else {
-      BYTE* peb = reinterpret_cast<BYTE*>(info.PebBaseAddress);
-
-      // The process command line parameters are (or were once) located at
-      // the base address of the PEB + 0x10 for 32 bit processes. 64 bit
-      // processes have a different PEB struct as per
-      // http://msdn.microsoft.com/en-us/library/aa813706(VS.85).aspx.
-      // TODO(robertshield): See about doing something about this.
-      SIZE_T bytes_read = 0;
-      if (!::ReadProcessMemory(process_handle.Get(),
-                               peb + 0x10,
-                               &process_params_address,
-                               sizeof(process_params_address),
-                               &bytes_read)) {
-        DLOG(ERROR) << "Failed to read process params address, last error = "
-                    << GetLastError();
-      }
-    }
-  }
-
-  // Copy all the process parameters into a buffer.
-  bool success = false;
-  base::string16 buffer;
-  if (process_params_address) {
-    SIZE_T bytes_read;
-    RTL_USER_PROCESS_PARAMETERS params = { 0 };
-    if (!::ReadProcessMemory(process_handle.Get(),
-                             reinterpret_cast<void*>(process_params_address),
-                             &params,
-                             sizeof(params),
-                             &bytes_read)) {
-      DLOG(ERROR) << "Failed to read RTL_USER_PROCESS_PARAMETERS, "
-                  << "last error = " << GetLastError();
-    } else {
-      // Read the command line parameter
-      const int max_cmd_line_len = std::min(
-          static_cast<int>(params.CommandLine.MaximumLength),
-          4096);
-      buffer.resize(max_cmd_line_len + 1);
-      if (!::ReadProcessMemory(process_handle.Get(),
-                               params.CommandLine.Buffer,
-                               &buffer[0],
-                               max_cmd_line_len,
-                               &bytes_read)) {
-        DLOG(ERROR) << "Failed to copy process command line, "
-                    << "last error = " << GetLastError();
-      } else {
-        *cmd_line = buffer;
-        success = true;
-      }
-    }
-  }
-
-  return success;
-}
-
-// Used to filter processes by process ID.
-class ArgumentFilter : public base::ProcessFilter {
- public:
-  explicit ArgumentFilter(const base::string16& argument)
-      : argument_to_find_(argument) {}
-
-  // Returns true to indicate set-inclusion and false otherwise.  This method
-  // should not have side-effects and should be idempotent.
-  virtual bool Includes(const base::ProcessEntry& entry) const {
-    bool found = false;
-    base::string16 command_line;
-    if (GetCommandLineForProcess(entry.pid(), &command_line)) {
-      base::string16::const_iterator it =
-          std::search(command_line.begin(),
-                      command_line.end(),
-                      argument_to_find_.begin(),
-                      argument_to_find_.end(),
-                      base::CaseInsensitiveCompareASCII<wchar_t>());
-      found = (it != command_line.end());
-    }
-    return found;
-  }
-
- protected:
-  base::string16 argument_to_find_;
-};
-
-}  // namespace
-
-namespace base {
-
-bool KillAllNamedProcessesWithArgument(const string16& process_name,
-                                       const string16& argument) {
-  ArgumentFilter argument_filter(argument);
-  return base::KillProcesses(process_name, 0, &argument_filter);
-}
-
-}  // namespace base