FBTF: Move some heavy, repeatedly emitted symbols to implementation files.

base/command_line.cc

Index: base/command_line.cc
diff --git a/base/command_line.cc b/base/command_line.cc
index 9b531fa8501e578618cbeb1817f1c12d96dc1868..d34bcb98fa3345678437f43a80c96e3048096b6f 100644
--- a/base/command_line.cc
+++ b/base/command_line.cc
@@ -273,6 +273,12 @@ void CommandLine::Reset() {
   current_process_commandline_ = NULL;
 }
 
+// static
+CommandLine* CommandLine::ForCurrentProcess() {
+  DCHECK(current_process_commandline_);
+  return current_process_commandline_;
+}
+
 bool CommandLine::HasSwitch(const std::string& switch_string) const {
   std::string lowercased_switch(switch_string);
 #if defined(OS_WIN)
@@ -530,3 +536,9 @@ void CommandLine::CopySwitchesFrom(const CommandLine& source,
 // private
 CommandLine::CommandLine() {
 }
+
+// static
+CommandLine* CommandLine::ForCurrentProcessMutable() {
+  DCHECK(current_process_commandline_);
+  return current_process_commandline_;
+}