Move common code into process_util.cc

base/shared_memory.h

Index: base/shared_memory.h
diff --git a/base/shared_memory.h b/base/shared_memory.h
index 48ba857daa6659cd279be2e61bd72179ce3faa07..e2077ae0b02ef6d302178d778329c5a2b8a56395 100644
--- a/base/shared_memory.h
+++ b/base/shared_memory.h
@@ -40,7 +40,6 @@ typedef ino_t SharedMemoryId;
 // around the OS primitive for a memory mapped file.
 class SharedMemory {
  public:
-  // Create a new SharedMemory object.
   SharedMemory();
 
   // Create a new SharedMemory object from an existing, open
@@ -51,19 +50,19 @@ class SharedMemory {
   // shared memory file that was created by a remote process and not shared
   // to the current process.
   SharedMemory(SharedMemoryHandle handle, bool read_only,
-      base::ProcessHandle process);
+               ProcessHandle process);
 
-  // Destructor.  Will close any open files.
+  // Closes any open files.
   ~SharedMemory();
 
   // Return true iff the given handle is valid (i.e. not the distingished
   // invalid value; NULL for a HANDLE and -1 for a file descriptor)
   static bool IsHandleValid(const SharedMemoryHandle& handle);
 
-  // Return invalid handle (see comment above for exact definition).
+  // Returns invalid handle (see comment above for exact definition).
   static SharedMemoryHandle NULLHandle();
 
-  // Close a shared memory handle.
+  // Closes a shared memory handle.
   static void CloseHandle(const SharedMemoryHandle& handle);
 
   // Creates or opens a shared memory segment based on a name.
@@ -106,13 +105,13 @@ class SharedMemory {
   // Mapped via Map().  Returns NULL if it is not mapped.
   void *memory() const { return memory_; }
 
-  // Get access to the underlying OS handle for this segment.
+  // Returns the underlying OS handle for this segment.
   // Use of this handle for anything other than an opaque
   // identifier is not portable.
   SharedMemoryHandle handle() const;
 
 #if defined(OS_POSIX)
-  // Return a unique identifier for this shared memory segment. Inode numbers
+  // Returns a unique identifier for this shared memory segment. Inode numbers
   // are technically only unique to a single filesystem. However, we always
   // allocate shared memory backing files from the same directory, so will end
   // up on the same filesystem.
@@ -123,13 +122,13 @@ class SharedMemory {
   // It is safe to call Close repeatedly.
   void Close();
 
-  // Share the shared memory to another process.  Attempts
+  // Shares the shared memory to another process.  Attempts
   // to create a platform-specific new_handle which can be
   // used in a remote process to access the shared memory
   // file.  new_handle is an ouput parameter to receive
   // the handle for use in the remote process.
   // Returns true on success, false otherwise.
-  bool ShareToProcess(base::ProcessHandle process,
+  bool ShareToProcess(ProcessHandle process,
                       SharedMemoryHandle* new_handle) {
     return ShareToProcessCommon(process, new_handle, false);
   }
@@ -145,7 +144,7 @@ class SharedMemory {
     return ShareToProcessCommon(process, new_handle, true);
   }
 
-  // Lock the shared memory.
+  // Locks the shared memory.
   // This is a cross-process lock which may be recursively
   // locked by the same thread.
   // TODO(port):
@@ -156,7 +155,7 @@ class SharedMemory {
   // across Mac and Linux.
   void Lock();
 
-  // Release the shared memory lock.
+  // Releases the shared memory lock.
   void Unlock();
 
  private: