Move CommandLine to base namespace.

content/public/common/main_function_params.h

Index: content/public/common/main_function_params.h
diff --git a/content/public/common/main_function_params.h b/content/public/common/main_function_params.h
index b9ace95c5f91634405d7af4740546cf79df0bbb9..8a2b826acd82af22c11cfdcb3443b2c3067cc6aa 100644
--- a/content/public/common/main_function_params.h
+++ b/content/public/common/main_function_params.h
@@ -27,7 +27,7 @@ class ScopedNSAutoreleasePool;
 namespace content {
 
 struct MainFunctionParams {
-  explicit MainFunctionParams(const CommandLine& cl)
+  explicit MainFunctionParams(const base::CommandLine& cl)
       : command_line(cl),
 #if defined(OS_WIN)
         sandbox_info(NULL),
@@ -37,7 +37,7 @@ struct MainFunctionParams {
         ui_task(NULL) {
   }
 
-  const CommandLine& command_line;
+  const base::CommandLine& command_line;
 
 #if defined(OS_WIN)
   sandbox::SandboxInterfaceInfo* sandbox_info;