Move a bunch of child-only code from content/common to content/child

content/browser/browser_main_runner.cc

Index: content/browser/browser_main_runner.cc
diff --git a/content/browser/browser_main_runner.cc b/content/browser/browser_main_runner.cc
index 175b62fe920d1752f08f0c3928bc73123f0efbe8..54fe6bf41e28c607b5dd4b8f3f2a3c6039d45865 100644
--- a/content/browser/browser_main_runner.cc
+++ b/content/browser/browser_main_runner.cc
@@ -13,15 +13,15 @@
 #include "base/metrics/statistics_recorder.h"
 #include "content/browser/browser_main_loop.h"
 #include "content/browser/notification_service_impl.h"
-#include "content/common/child_process.h"
+#include "content/common/debug_util.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/main_function_params.h"
 
 #if defined(OS_WIN)
 #include "base/win/metro.h"
 #include "base/win/windows_version.h"
-#include "ui/base/win/scoped_ole_initializer.h"
 #include "ui/base/ime/win/tsf_bridge.h"
+#include "ui/base/win/scoped_ole_initializer.h"
 #endif
 
 bool g_exited_main_message_loop = false;
@@ -47,11 +47,10 @@ class BrowserMainRunnerImpl : public BrowserMainRunner {
     is_initialized_ = true;
 
 #if !defined(OS_IOS)
-    // ChildProcess:: is a misnomer unless you consider context.  Use
-    // of --wait-for-debugger only makes sense when Chrome itself is a
+    // Use of --wait-for-debugger only makes sense when Chrome itself is a
     // child process (e.g. when launched by PyAuto).
     if (parameters.command_line.HasSwitch(switches::kWaitForDebugger))
-      ChildProcess::WaitForDebugger("Browser");
+      WaitForDebugger("Browser");
 #endif  // !defined(OS_IOS)
 
 #if defined(OS_WIN)