share all the needed linux code with OpenBSD in chrome and content

chrome/browser/browser_about_handler.cc

Index: chrome/browser/browser_about_handler.cc
diff --git a/chrome/browser/browser_about_handler.cc b/chrome/browser/browser_about_handler.cc
index 6e4d126f5804adf102631c60d710aa59963bce6f..bc76afcbd1743980a7bd8fbad7783830be6aa40d 100644
--- a/chrome/browser/browser_about_handler.cc
+++ b/chrome/browser/browser_about_handler.cc
@@ -80,7 +80,7 @@
 #include "chrome/browser/chromeos/version_loader.h"
 #include "chrome/browser/oom_priority_manager.h"
 #include "content/browser/zygote_host_linux.h"
-#elif defined(OS_LINUX)
+#elif defined(OS_LINUX) || defined(OS_OPENBSD)
 #include "content/browser/zygote_host_linux.h"
 #endif
 
@@ -152,7 +152,7 @@ const char* const kChromePaths[] = {
 #if defined(OS_WIN)
   chrome::kChromeUIConflictsHost,
 #endif
-#if defined(OS_LINUX)
+#if defined(OS_LINUX) || defined(OS_OPENBSD)
   chrome::kChromeUILinuxProxyConfigHost,
   chrome::kChromeUISandboxHost,
 #endif
@@ -188,7 +188,7 @@ const char* const kAboutSourceNames[] = {
 #if defined(USE_TCMALLOC)
   chrome::kChromeUITCMallocHost,
 #endif
-#if defined(OS_LINUX)
+#if defined(OS_LINUX) || defined(OS_OPENBSD)
   chrome::kChromeUILinuxProxyConfigHost,
   chrome::kChromeUISandboxHost,
 #endif
@@ -1062,7 +1062,7 @@ std::string AboutStats(const std::string& query) {
   return data;
 }
 
-#if defined(OS_LINUX)
+#if defined(OS_LINUX) || defined(OS_OPENBSD)
 std::string AboutLinuxProxyConfig() {
   std::string data;
   AppendHeader(&data, 0,
@@ -1447,7 +1447,7 @@ void AboutSource::StartDataRequest(const std::string& path,
     return;
   } else if (host == chrome::kChromeUIHistogramsHost) {
     response = AboutHistograms(path);
-#if defined(OS_LINUX)
+#if defined(OS_LINUX) || defined(OS_OPENBSD)
   } else if (host == chrome::kChromeUILinuxProxyConfigHost) {
     response = AboutLinuxProxyConfig();
 #endif
@@ -1463,7 +1463,7 @@ void AboutSource::StartDataRequest(const std::string& path,
     response = ResourceBundle::GetSharedInstance().GetRawDataResource(
         IDR_OS_CREDITS_HTML).as_string();
 #endif
-#if defined(OS_LINUX)
+#if defined(OS_LINUX) || defined(OS_OPENBSD)
   } else if (host == chrome::kChromeUISandboxHost) {
     response = AboutSandbox();
 #endif