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

content/renderer/render_process_impl.cc

 // Copyright (c) 2011 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 "build/build_config.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <objidl.h>
 #include <mlang.h>
@@ skipping 68 matching lines @@
   // log important leaked objects
   webkit_glue::CheckForLeaks();
 #endif
 
   GetShutDownEvent()->Signal();
   ClearTransportDIBCache();
 }
 
 bool RenderProcessImpl::InProcessPlugins() {
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
-#if defined(OS_LINUX)
+#if defined(OS_LINUX) || defined(OS_OPENBSD)
   // Plugin processes require a UI message loop, and the Linux message loop
   // implementation only allows one UI loop per process.
   if (command_line.HasSwitch(switches::kInProcessPlugins))
     NOTIMPLEMENTED() << ": in process plugins not supported on Linux";
   return command_line.HasSwitch(switches::kInProcessPlugins);
 #else
   return command_line.HasSwitch(switches::kInProcessPlugins) ||
          command_line.HasSwitch(switches::kSingleProcess);
 #endif
 }
 
 // -----------------------------------------------------------------------------
 // Platform specific code for dealing with bitmap transport...
 
 TransportDIB* RenderProcessImpl::CreateTransportDIB(size_t size) {
-#if defined(OS_WIN) || defined(OS_LINUX)
+#if defined(OS_WIN) || defined(OS_LINUX) || defined(OS_OPENBSD)
   // Windows and Linux create transport DIBs inside the renderer
   return TransportDIB::Create(size, transport_dib_next_sequence_number_++);
-#elif defined(OS_MACOSX)  // defined(OS_WIN) || defined(OS_LINUX)
+#elif defined(OS_MACOSX)
   // Mac creates transport DIBs in the browser, so we need to do a sync IPC to
   // get one.  The TransportDIB is cached in the browser.
   TransportDIB::Handle handle;
   IPC::Message* msg = new ViewHostMsg_AllocTransportDIB(size, true, &handle);
   if (!main_thread()->Send(msg))
     return NULL;
   if (handle.fd < 0)
     return NULL;
   return TransportDIB::Map(handle);
 #endif  // defined(OS_MACOSX)
@@ skipping 14 matching lines @@
 }
 
 // -----------------------------------------------------------------------------
 
 
 skia::PlatformCanvas* RenderProcessImpl::GetDrawingCanvas(
     TransportDIB** memory, const gfx::Rect& rect) {
   int width = rect.width();
   int height = rect.height();
   const size_t stride = skia::PlatformCanvas::StrideForWidth(rect.width());
-#if defined(OS_LINUX)
+#if defined(OS_LINUX) || defined(OS_OPENBSD)
   const size_t max_size = base::SysInfo::MaxSharedMemorySize();
 #else
   const size_t max_size = 0;
 #endif
 
   // If the requested size is too big, reduce the height. Ideally we might like
   // to reduce the width as well to make the size reduction more "balanced", but
   // it rarely comes up in practice.
   if ((max_size != 0) && (height * stride > max_size))
     height = max_size / stride;
@@ skipping 75 matching lines @@
 }
 
 void RenderProcessImpl::ClearTransportDIBCache() {
   for (size_t i = 0; i < arraysize(shared_mem_cache_); ++i) {
     if (shared_mem_cache_[i]) {
       FreeTransportDIB(shared_mem_cache_[i]);
       shared_mem_cache_[i] = NULL;
     }
   }
 }