Add chrome_split_dll gyp variable, and duplicate chrome_main_dll target (reland)

content/app/content_main_runner.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.
 
 #include "content/public/app/content_main_runner.h"
 
 #include <stdlib.h>
 
 #include "base/allocator/allocator_extension.h"
 #include "base/at_exit.h"
@@ skipping 147 matching lines @@
     NOTREACHED();
   }
 }
 #endif  // defined(OS_WIN)
 }  // namespace
 
 namespace content {
 
 base::LazyInstance<ContentBrowserClient>
     g_empty_content_browser_client = LAZY_INSTANCE_INITIALIZER;
-#if !defined(OS_IOS)
+// TODO(scottmg): http://crbug.com/237249 Split into browser and child.
+#if !defined(OS_IOS) && !defined(CHROME_SPLIT_DLL)
 base::LazyInstance<ContentPluginClient>
     g_empty_content_plugin_client = LAZY_INSTANCE_INITIALIZER;
 base::LazyInstance<ContentRendererClient>
     g_empty_content_renderer_client = LAZY_INSTANCE_INITIALIZER;
 base::LazyInstance<ContentUtilityClient>
     g_empty_content_utility_client = LAZY_INSTANCE_INITIALIZER;
 #endif  // !OS_IOS
 
 #if defined(OS_WIN)
 
@@ skipping 111 matching lines @@
         content_client->browser_ = delegate->CreateContentBrowserClient();
       if (!content_client->browser_)
         content_client->browser_ = &g_empty_content_browser_client.Get();
     }
 
 #if !defined(OS_IOS)
     if (process_type == switches::kPluginProcess ||
         process_type == switches::kPpapiPluginProcess) {
       if (delegate)
         content_client->plugin_ = delegate->CreateContentPluginClient();
+      // TODO(scottmg): http://crbug.com/237249 Should be in _child.
+#if !defined(CHROME_SPLIT_DLL)
       if (!content_client->plugin_)
         content_client->plugin_ = &g_empty_content_plugin_client.Get();
+#endif
+      // Single process not supported in split dll mode.
+#if !defined(CHROME_SPLIT_DLL)
     } else if (process_type == switches::kRendererProcess ||
                CommandLine::ForCurrentProcess()->HasSwitch(
                    switches::kSingleProcess)) {
       if (delegate)
         content_client->renderer_ = delegate->CreateContentRendererClient();
       if (!content_client->renderer_)
         content_client->renderer_ = &g_empty_content_renderer_client.Get();
+#endif
     } else if (process_type == switches::kUtilityProcess) {
       if (delegate)
         content_client->utility_ = delegate->CreateContentUtilityClient();
+      // TODO(scottmg): http://crbug.com/237249 Should be in _child.
+#if !defined(CHROME_SPLIT_DLL)
       if (!content_client->utility_)
         content_client->utility_ = &g_empty_content_utility_client.Get();
+#endif
     }
 #endif  // !OS_IOS
   }
 };
 
 // We dispatch to a process-type-specific FooMain() based on a command-line
 // flag.  This struct is used to build a table of (flag, main function) pairs.
 struct MainFunction {
   const char* name;
   int (*function)(const MainFunctionParams&);
@@ skipping 70 matching lines @@
 #if !defined(OS_IOS)
 // Run the FooMain() for a given process type.
 // If |process_type| is empty, runs BrowserMain().
 // Returns the exit code for this process.
 int RunNamedProcessTypeMain(
     const std::string& process_type,
     const MainFunctionParams& main_function_params,
     ContentMainDelegate* delegate) {
   static const MainFunction kMainFunctions[] = {
     { "",                            BrowserMain },
-    { switches::kRendererProcess,    RendererMain },
 #if defined(ENABLE_PLUGINS)
+    // TODO(scottmg): http://crbug.com/237249 This will have to be split into
+    // content_main_runner_browser and content_main_runner_child.
+#if !defined(CHROME_SPLIT_DLL)
     { switches::kPluginProcess,      PluginMain },
     { switches::kWorkerProcess,      WorkerMain },
+#endif
     { switches::kPpapiPluginProcess, PpapiPluginMain },
     { switches::kPpapiBrokerProcess, PpapiBrokerMain },
 #endif
+    // TODO(scottmg): http://crbug.com/237249 This will have to be split into
+    // content_main_runner_browser and content_main_runner_child.
+#if !defined(CHROME_SPLIT_DLL)
     { switches::kUtilityProcess,     UtilityMain },
+    { switches::kRendererProcess,    RendererMain },
+#endif
     { switches::kGpuProcess,         GpuMain },
   };
 
   for (size_t i = 0; i < arraysize(kMainFunctions); ++i) {
     if (process_type == kMainFunctions[i].name) {
       if (delegate) {
         int exit_code = delegate->RunProcess(process_type,
             main_function_params);
 #if defined(OS_ANDROID)
         // In Android's browser process, the negative exit code doesn't mean the
@@ skipping 390 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(ContentMainRunnerImpl);
 };
 
 // static
 ContentMainRunner* ContentMainRunner::Create() {
   return new ContentMainRunnerImpl();
 }
 
 }  // namespace content