reland of http://crrev.com/212230 Create top-level separate targets for...

content/browser/renderer_host/render_process_host_impl.cc

 // Copyright (c) 2012 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 147 matching lines @@
 void CacheShaderInfo(int32 id, base::FilePath path) {
   ShaderCacheFactory::GetInstance()->SetCacheInfo(id, path);
 }
 
 void RemoveShaderInfo(int32 id) {
   ShaderCacheFactory::GetInstance()->RemoveCacheInfo(id);
 }
 
 }  // namespace
 
+#if !defined(CHROME_MULTIPLE_DLL)
+
 // This class creates the IO thread for the renderer when running in
 // single-process mode.  It's not used in multi-process mode.
 class RendererMainThread : public base::Thread {
  public:
   explicit RendererMainThread(const std::string& channel_id)
       : Thread("Chrome_InProcRendererThread"),
         channel_id_(channel_id) {
   }
 
   virtual ~RendererMainThread() {
@@ skipping 23 matching lines @@
     SetThreadWasQuitProperly(true);
   }
 
  private:
   std::string channel_id_;
   scoped_ptr<RenderProcess> render_process_;
 
   DISALLOW_COPY_AND_ASSIGN(RendererMainThread);
 };
 
+#endif
+
 namespace {
 
 // Helper class that we pass to ResourceMessageFilter so that it can find the
 // right net::URLRequestContext for a request.
 class RendererURLRequestContextSelector
     : public ResourceMessageFilter::URLRequestContextSelector {
  public:
   RendererURLRequestContextSelector(BrowserContext* browser_context,
                                     int render_child_id)
       : request_context_(browser_context->GetRequestContextForRenderProcess(
@@ skipping 273 matching lines @@
                                 IPC::Channel::MODE_SERVER,
                                 this,
                                 BrowserThread::GetMessageLoopProxyForThread(
                                     BrowserThread::IO).get()));
 
   // Call the embedder first so that their IPC filters have priority.
   GetContentClient()->browser()->RenderProcessHostCreated(this);
 
   CreateMessageFilters();
 
-  // Single-process mode not supported in split-dll mode.
-#if !defined(CHROME_SPLIT_DLL)
+  // Single-process mode not supported in multiple-dll mode currently.
+#if !defined(CHROME_MULTIPLE_DLL)
   if (run_renderer_in_process()) {
     // Crank up a thread and run the initialization there.  With the way that
     // messages flow between the browser and renderer, this thread is required
     // to prevent a deadlock in single-process mode.  Since the primordial
     // thread in the renderer process runs the WebKit code and can sometimes
     // make blocking calls to the UI thread (i.e. this thread), they need to run
     // on separate threads.
     in_process_renderer_.reset(new RendererMainThread(channel_id));
 
     base::Thread::Options options;
 #if defined(OS_WIN) && !defined(OS_MACOSX)
     // In-process plugins require this to be a UI message loop.
     options.message_loop_type = base::MessageLoop::TYPE_UI;
 #else
     // We can't have multiple UI loops on Linux and Android, so we don't support
     // in-process plugins.
     options.message_loop_type = base::MessageLoop::TYPE_DEFAULT;
 #endif
     in_process_renderer_->StartWithOptions(options);
 
     OnProcessLaunched();  // Fake a callback that the process is ready.
   } else
-#endif  // !CHROME_SPLIT_DLL
+#endif  // !CHROME_MULTIPLE_DLL
   {
     // Build command line for renderer.  We call AppendRendererCommandLine()
     // first so the process type argument will appear first.
     CommandLine* cmd_line = new CommandLine(renderer_path);
     if (!renderer_prefix.empty())
       cmd_line->PrependWrapper(renderer_prefix);
     AppendRendererCommandLine(cmd_line);
     cmd_line->AppendSwitchASCII(switches::kProcessChannelID, channel_id);
 
     // Spawn the child process asynchronously to avoid blocking the UI thread.
@@ skipping 1250 matching lines @@
     // Skip widgets in other processes.
     if (widgets[i]->GetProcess()->GetID() != GetID())
       continue;
 
     RenderViewHost* rvh = RenderViewHost::From(widgets[i]);
     rvh->UpdateWebkitPreferences(rvh->GetWebkitPreferences());
   }
 }
 
 }  // namespace content