Move the remaning files in content\common to the content namespace.

content/browser/zygote_host/zygote_host_impl_linux.h

 // 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.
 
 #ifndef CONTENT_BROWSER_ZYGOTE_HOST_ZYGOTE_HOST_IMPL_LINUX_H_
 #define CONTENT_BROWSER_ZYGOTE_HOST_ZYGOTE_HOST_IMPL_LINUX_H_
 
 #include <string>
 #include <vector>
 
 #include "base/pickle.h"
 #include "base/process_util.h"
 #include "base/synchronization/lock.h"
 #include "content/public/browser/file_descriptor_info.h"
 #include "content/public/browser/zygote_host_linux.h"
 
 template<typename Type>
 struct DefaultSingletonTraits;
 
-class CONTENT_EXPORT ZygoteHostImpl : public content::ZygoteHost {
+namespace content {
+
+class CONTENT_EXPORT ZygoteHostImpl : public ZygoteHost {
  public:
   // Returns the singleton instance.
   static ZygoteHostImpl* GetInstance();
 
   void Init(const std::string& sandbox_cmd);
 
   // Tries to start a process of type indicated by process_type.
   // Returns its pid on success, otherwise
   // base::kNullProcessHandle;
   pid_t ForkRequest(const std::vector<std::string>& command_line,
-                    const std::vector<content::FileDescriptorInfo>& mapping,
+                    const std::vector<FileDescriptorInfo>& mapping,
                     const std::string& process_type);
   void EnsureProcessTerminated(pid_t process);
 
   // Get the termination status (and, optionally, the exit code) of
   // the process. |exit_code| is set to the exit code of the child
   // process. (|exit_code| may be NULL.)
   base::TerminationStatus GetTerminationStatus(base::ProcessHandle handle,
                                                int* exit_code);
 
   // ZygoteHost implementation:
@@ skipping 23 matching lines @@
   // received.
   base::Lock control_lock_;
   pid_t pid_;
   bool init_;
   bool using_suid_sandbox_;
   std::string sandbox_binary_;
   bool have_read_sandbox_status_word_;
   int sandbox_status_;
 };
 
+}  // namespace content
+
 #endif  // CONTENT_BROWSER_ZYGOTE_HOST_ZYGOTE_HOST_IMPL_LINUX_H_