MoonchildProductions#1251 - Part 22: Remove some unused type declarations from IPC process_util.

https://bugzilla.mozilla.org/show_bug.cgi?id=1397928

Was looking into that _POSIX_PATH_MAX/NAME_MAX issue earlier because it didn't make a lot of sense and I was thinking of other approaches besides char arrays, and I wanted to make sure it didn't cause problems after they did it. Turns out that one commit after this was added, Mozilla determined the code I was working on fixing to be dead code as of Firefox 58. I don't know if it's dead code in Pale Moon as well, but given that it compiles fine without it and I can't find any other references to szExeFile in the IPC code, that seems like a safe bet.

Besides, I determined config/pathsub.c already seems to do what this code looks like it's trying to do, and implements the solution of just defining NAME_MAX to 256 and having done with it that I nearly adopted after realizing that even OS/2 and BeOS, let alone Unix/Linux systems, all basically use that value and there's just disagreement on which system header to check for it.

ipc/chromium/src/base/process_util.h

@@ -39,28 +39,7 @@
 #include "base/command_line.h"
 #include "base/process.h"
 
-#if defined(OS_WIN)
-typedef PROCESSENTRY32 ProcessEntry;
-typedef IO_COUNTERS IoCounters;
-#elif defined(OS_POSIX)
-// TODO(port): we should not rely on a Win32 structure.
-// Using NAME_MAX here would raise POSIX compliance issues 
-// (see Mozilla bug 1364865).
-struct ProcessEntry {
-  int pid;
-  int ppid;
-  char szExeFile[_POSIX_PATH_MAX + 1];
-};
-
-struct IoCounters {
-  unsigned long long ReadOperationCount;
-  unsigned long long WriteOperationCount;
-  unsigned long long OtherOperationCount;
-  unsigned long long ReadTransferCount;
-  unsigned long long WriteTransferCount;
-  unsigned long long OtherTransferCount;
-};
-
+#if defined(OS_POSIX)
 #include "base/file_descriptor_shuffle.h"
 #endif
 

ipc/chromium/src/base/process_util_linux.cc

@@ -34,11 +34,6 @@
 
 namespace {
 
-enum ParsingState {
-  KEY_NAME,
-  KEY_VALUE
-};
-
 static mozilla::EnvironmentLog gProcessLog("MOZ_PROCESS_LOG");
 
 }  // namespace

widget/GfxInfoX11.cpp

@@ -192,7 +192,7 @@ GfxInfo::GetData()
     // and a buffer as some kind of workaround. They've been implementing
     // missing functions lately, though, so this may not be needed much longer.
 
-#if defined(XP_SOLARIS)
+#ifndef strcasestr
 #define strcasestr PL_strcasestr
 #endif