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

mojo/edk/embedder/platform_channel_pair_posix_unittest.cc

Index: mojo/edk/embedder/platform_channel_pair_posix_unittest.cc
diff --git a/third_party/mojo/src/mojo/edk/embedder/platform_channel_pair_posix_unittest.cc b/mojo/edk/embedder/platform_channel_pair_posix_unittest.cc
similarity index 89%
copy from third_party/mojo/src/mojo/edk/embedder/platform_channel_pair_posix_unittest.cc
copy to mojo/edk/embedder/platform_channel_pair_posix_unittest.cc
index 4927b4b8745cf6468f848c4bb039c66b16e57886..a0bb7fd4b9168a2174de97b316388d9a72f599a9 100644
--- a/third_party/mojo/src/mojo/edk/embedder/platform_channel_pair_posix_unittest.cc
+++ b/mojo/edk/embedder/platform_channel_pair_posix_unittest.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "third_party/mojo/src/mojo/edk/embedder/platform_channel_pair.h"
+#include "mojo/edk/embedder/platform_channel_pair.h"
 
 #include <errno.h>
 #include <poll.h>
@@ -15,24 +15,21 @@
 
 #include <deque>
 
+#include "base/files/file_path.h"
+#include "base/files/file_util.h"
 #include "base/files/scoped_file.h"
+#include "base/files/scoped_temp_dir.h"
 #include "base/logging.h"
-#include "build/build_config.h"
+#include "mojo/edk/embedder/platform_channel_utils_posix.h"
+#include "mojo/edk/embedder/platform_handle.h"
+#include "mojo/edk/embedder/platform_handle_vector.h"
+#include "mojo/edk/embedder/scoped_platform_handle.h"
+#include "mojo/edk/test/test_utils.h"
 #include "mojo/public/cpp/system/macros.h"
 #include "testing/gtest/include/gtest/gtest.h"
-#include "third_party/mojo/src/mojo/edk/embedder/platform_channel_utils_posix.h"
-#include "third_party/mojo/src/mojo/edk/embedder/platform_handle.h"
-#include "third_party/mojo/src/mojo/edk/embedder/platform_handle_vector.h"
-#include "third_party/mojo/src/mojo/edk/embedder/scoped_platform_handle.h"
-#include "third_party/mojo/src/mojo/edk/test/test_utils.h"
-
-#if defined(OS_ANDROID)
-#include "base/android/path_utils.h"
-#include "base/files/file_path.h"
-#endif
 
 namespace mojo {
-namespace embedder {
+namespace edk {
 namespace {
 
 void WaitReadable(PlatformHandle h) {
@@ -42,22 +39,6 @@ void WaitReadable(PlatformHandle h) {
   CHECK_EQ(poll(&pfds, 1, -1), 1);
 }
 
-FILE* NewTmpFile() {
-#if defined(OS_ANDROID)
-  base::FilePath tmpdir;
-  if (!base::android::GetCacheDirectory(&tmpdir))
-    return nullptr;
-  std::string templ = tmpdir.Append("XXXXXXXX").value();
-  int fd = mkstemp(const_cast<char*>(templ.c_str()));
-  if (fd == -1)
-    return nullptr;
-  CHECK(unlink(templ.c_str()) == 0);
-  return fdopen(fd, "w+");
-#else
-  return tmpfile();
-#endif
-}
-
 class PlatformChannelPairPosixTest : public testing::Test {
  public:
   PlatformChannelPairPosixTest() {}
@@ -147,6 +128,9 @@ TEST_F(PlatformChannelPairPosixTest, SendReceiveData) {
 }
 
 TEST_F(PlatformChannelPairPosixTest, SendReceiveFDs) {
+  base::ScopedTempDir temp_dir;
+  ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
+
   static const char kHello[] = "hello";
 
   PlatformChannelPair channel_pair;
@@ -166,7 +150,9 @@ TEST_F(PlatformChannelPairPosixTest, SendReceiveFDs) {
     const char c = '0' + (i % 10);
     ScopedPlatformHandleVectorPtr platform_handles(new PlatformHandleVector);
     for (size_t j = 1; j <= i; j++) {
-      base::ScopedFILE fp(NewTmpFile());
+      base::FilePath unused;
+      base::ScopedFILE fp(
+          base::CreateAndOpenTemporaryFileInDir(temp_dir.path(), &unused));
       ASSERT_TRUE(fp);
       ASSERT_EQ(j, fwrite(std::string(j, c).data(), 1, j, fp.get()));
       platform_handles->push_back(
@@ -208,6 +194,9 @@ TEST_F(PlatformChannelPairPosixTest, SendReceiveFDs) {
 }
 
 TEST_F(PlatformChannelPairPosixTest, AppendReceivedFDs) {
+  base::ScopedTempDir temp_dir;
+  ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
+
   static const char kHello[] = "hello";
 
   PlatformChannelPair channel_pair;
@@ -217,7 +206,9 @@ TEST_F(PlatformChannelPairPosixTest, AppendReceivedFDs) {
   const std::string file_contents("hello world");
 
   {
-    base::ScopedFILE fp(NewTmpFile());
+    base::FilePath unused;
+    base::ScopedFILE fp(
+        base::CreateAndOpenTemporaryFileInDir(temp_dir.path(), &unused));
     ASSERT_TRUE(fp);
     ASSERT_EQ(file_contents.size(),
               fwrite(file_contents.data(), 1, file_contents.size(), fp.get()));
@@ -265,5 +256,5 @@ TEST_F(PlatformChannelPairPosixTest, AppendReceivedFDs) {
 }
 
 }  // namespace
-}  // namespace embedder
+}  // namespace edk
 }  // namespace mojo