Add a Mojo EDK for Chrome that uses one OS pipe per message pipe.

mojo/edk/test/test_utils_posix.cc

 // Copyright 2014 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.
 
 #include "mojo/edk/test/test_utils.h"
 
 #include <fcntl.h>
 #include <unistd.h>
 
 #include "base/posix/eintr_wrapper.h"
 
 namespace mojo {
+namespace edk {
 namespace test {
 
-bool BlockingWrite(const embedder::PlatformHandle& handle,
+bool BlockingWrite(const PlatformHandle& handle,
                    const void* buffer,
                    size_t bytes_to_write,
                    size_t* bytes_written) {
   int original_flags = fcntl(handle.fd, F_GETFL);
   if (original_flags == -1 ||
       fcntl(handle.fd, F_SETFL, original_flags & (~O_NONBLOCK)) != 0) {
     return false;
   }
 
   ssize_t result = HANDLE_EINTR(write(handle.fd, buffer, bytes_to_write));
 
   fcntl(handle.fd, F_SETFL, original_flags);
 
   if (result < 0)
     return false;
 
   *bytes_written = result;
   return true;
 }
 
-bool BlockingRead(const embedder::PlatformHandle& handle,
+bool BlockingRead(const PlatformHandle& handle,
                   void* buffer,
                   size_t buffer_size,
                   size_t* bytes_read) {
   int original_flags = fcntl(handle.fd, F_GETFL);
   if (original_flags == -1 ||
       fcntl(handle.fd, F_SETFL, original_flags & (~O_NONBLOCK)) != 0) {
     return false;
   }
 
   ssize_t result = HANDLE_EINTR(read(handle.fd, buffer, buffer_size));
 
   fcntl(handle.fd, F_SETFL, original_flags);
 
   if (result < 0)
     return false;
 
   *bytes_read = result;
   return true;
 }
 
-bool NonBlockingRead(const embedder::PlatformHandle& handle,
+bool NonBlockingRead(const PlatformHandle& handle,
                      void* buffer,
                      size_t buffer_size,
                      size_t* bytes_read) {
   ssize_t result = HANDLE_EINTR(read(handle.fd, buffer, buffer_size));
 
   if (result < 0) {
     if (errno != EAGAIN && errno != EWOULDBLOCK)
       return false;
 
     *bytes_read = 0;
   } else {
     *bytes_read = result;
   }
 
   return true;
 }
 
-embedder::ScopedPlatformHandle PlatformHandleFromFILE(base::ScopedFILE fp) {
+ScopedPlatformHandle PlatformHandleFromFILE(base::ScopedFILE fp) {
   CHECK(fp);
   int rv = dup(fileno(fp.get()));
   PCHECK(rv != -1) << "dup";
-  return embedder::ScopedPlatformHandle(embedder::PlatformHandle(rv));
+  return ScopedPlatformHandle(PlatformHandle(rv));
 }
 
-base::ScopedFILE FILEFromPlatformHandle(embedder::ScopedPlatformHandle h,
+base::ScopedFILE FILEFromPlatformHandle(ScopedPlatformHandle h, 
                                         const char* mode) {
   CHECK(h.is_valid());
   base::ScopedFILE rv(fdopen(h.release().fd, mode));
   PCHECK(rv) << "fdopen";
   return rv.Pass();
 }
 
 }  // namespace test
+}  // namespace edk
 }  // namespace mojo