win: make CrashpadInfo retrievable

snapshot/win/process_reader_win.h

 // Copyright 2015 The Crashpad Authors. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
 #ifndef CRASHPAD_SNAPSHOT_WIN_PROCESS_READER_WIN_H_
 #define CRASHPAD_SNAPSHOT_WIN_PROCESS_READER_WIN_H_
 
 #include <windows.h>
 
 #include "util/misc/initialization_state_dcheck.h"
+#include "util/win/address_types.h"
 #include "util/win/process_info.h"
 
 namespace crashpad {
 
 //! \brief Accesses information about another process, identified by a HANDLE.
 class ProcessReaderWin {
  public:
   ProcessReaderWin();
   ~ProcessReaderWin();
 
   //! \brief Initializes this object. This method must be called before any
   //!     other.
   //!
   //! \param[in] process Process handle, must have PROCESS_QUERY_INFORMATION,
   //!     PROCESS_VM_READ, and PROCESS_DUP_HANDLE access.
   //!
   //! \return `true` on success, indicating that this object will respond
   //!     validly to further method calls. `false` on failure. On failure, no
   //!     further method calls should be made.
   bool Initialize(HANDLE process);
 
   //! \return `true` if the target task is a 64-bit process.
   bool Is64Bit() const { return process_info_.Is64Bit(); }
 
+  pid_t ProcessID() const { return process_info_.ProcessID(); }
+  pid_t ParentProcessID() const { return process_info_.ParentProcessID(); }
+
+  bool ReadMemory(win_vm_address_t at, win_vm_size_t num_bytes, void* into);
+
+  //! \return The modules loaded in the process. The first element (at index
+  //!     `0`) corresponds to the main executable.
+  const std::vector<ProcessInfo::Module>& Modules();
+
  private:
+  HANDLE process_;
   ProcessInfo process_info_;
+  std::vector<ProcessInfo::Module> modules_;
   InitializationStateDcheck initialized_;
 
   DISALLOW_COPY_AND_ASSIGN(ProcessReaderWin);
 };
 
 }  // namespace crashpad
 
 #endif  // CRASHPAD_SNAPSHOT_WIN_PROCESS_READER_WIN_H_