Revive experiment to isolate shell operations.

chrome/common/chrome_utility_messages.h

Index: chrome/common/chrome_utility_messages.h
diff --git a/chrome/common/chrome_utility_messages.h b/chrome/common/chrome_utility_messages.h
index 99af34bc5d0bdded6fd179289f3f82d93e354495..8eaaede78b53c8a8d0cf86195af0732836824d18 100644
--- a/chrome/common/chrome_utility_messages.h
+++ b/chrome/common/chrome_utility_messages.h
@@ -4,16 +4,10 @@
 
 // Multiply-included message file, so no include guard.
 
-#if defined(OS_WIN)
-#include <Windows.h>
-#endif  // defined(OS_WIN)
-
 #include <string>
-#include <tuple>
 #include <vector>
 
 #include "base/files/file_path.h"
-#include "base/strings/string16.h"
 #include "base/values.h"
 #include "build/build_config.h"
 #include "ipc/ipc_message_macros.h"
@@ -31,13 +25,6 @@
 #ifndef CHROME_COMMON_CHROME_UTILITY_MESSAGES_H_
 #define CHROME_COMMON_CHROME_UTILITY_MESSAGES_H_
 
-#if defined(OS_WIN)
-// A vector of filters, each being a tuple containing a display string (i.e.
-// "Text Files") and a filter pattern (i.e. "*.txt").
-typedef std::vector<std::tuple<base::string16, base::string16>>
-    GetOpenFileNameFilter;
-#endif  // OS_WIN
-
 #endif  // CHROME_COMMON_CHROME_UTILITY_MESSAGES_H_
 
 #define IPC_MESSAGE_START ChromeUtilityMsgStart
@@ -124,18 +111,6 @@ IPC_STRUCT_TRAITS_BEGIN(safe_browsing::zip_analyzer::Results)
 IPC_STRUCT_TRAITS_END()
 #endif  // FULL_SAFE_BROWSING
 
-#if defined(OS_WIN)
-IPC_STRUCT_BEGIN(ChromeUtilityMsg_GetSaveFileName_Params)
-  IPC_STRUCT_MEMBER(HWND, owner)
-  IPC_STRUCT_MEMBER(DWORD, flags)
-  IPC_STRUCT_MEMBER(GetOpenFileNameFilter, filters)
-  IPC_STRUCT_MEMBER(int, one_based_filter_index)
-  IPC_STRUCT_MEMBER(base::FilePath, suggested_filename)
-  IPC_STRUCT_MEMBER(base::FilePath, initial_directory)
-  IPC_STRUCT_MEMBER(base::string16, default_extension)
-IPC_STRUCT_END()
-#endif  // OS_WIN
-
 //------------------------------------------------------------------------------
 // Utility process messages:
 // These are messages from the browser to the utility process.
@@ -180,25 +155,6 @@ IPC_MESSAGE_CONTROL1(ChromeUtilityMsg_AnalyzeDmgFileForDownloadProtection,
 #endif  // defined(OS_MACOSX)
 #endif  // defined(FULL_SAFE_BROWSING)
 
-#if defined(OS_WIN)
-// Instructs the utility process to invoke GetOpenFileName. |owner| is the
-// parent of the modal dialog, |flags| are OFN_* flags. |filter| constrains the
-// user's file choices. |initial_directory| and |filename| select the directory
-// to be displayed and the file to be initially selected.
-//
-// Either ChromeUtilityHostMsg_GetOpenFileName_Failed or
-// ChromeUtilityHostMsg_GetOpenFileName_Result will be returned when the
-// operation completes whether due to error or user action.
-IPC_MESSAGE_CONTROL5(ChromeUtilityMsg_GetOpenFileName,
-                     HWND /* owner */,
-                     DWORD /* flags */,
-                     GetOpenFileNameFilter /* filter */,
-                     base::FilePath /* initial_directory */,
-                     base::FilePath /* filename */)
-IPC_MESSAGE_CONTROL1(ChromeUtilityMsg_GetSaveFileName,
-                     ChromeUtilityMsg_GetSaveFileName_Params /* params */)
-#endif  // defined(OS_WIN)
-
 //------------------------------------------------------------------------------
 // Utility process host messages:
 // These are messages from the utility process to the browser.
@@ -233,14 +189,3 @@ IPC_MESSAGE_CONTROL1(
     safe_browsing::zip_analyzer::Results)
 #endif  // defined(OS_MACOSX)
 #endif  // defined(FULL_SAFE_BROWSING)
-
-#if defined(OS_WIN)
-IPC_MESSAGE_CONTROL0(ChromeUtilityHostMsg_GetOpenFileName_Failed)
-IPC_MESSAGE_CONTROL2(ChromeUtilityHostMsg_GetOpenFileName_Result,
-                     base::FilePath /* directory */,
-                     std::vector<base::FilePath> /* filenames */)
-IPC_MESSAGE_CONTROL0(ChromeUtilityHostMsg_GetSaveFileName_Failed)
-IPC_MESSAGE_CONTROL2(ChromeUtilityHostMsg_GetSaveFileName_Result,
-                     base::FilePath /* path */,
-                     int /* one_based_filter_index  */)
-#endif  // defined(OS_WIN)