Port manifest query tests from nacl_integration to browser_tests.

chrome/test/data/nacl/manifest_file/pm_manifest_file_test.cc

Index: chrome/test/data/nacl/manifest_file/pm_manifest_file_test.cc
diff --git a/ppapi/native_client/tests/nacl_browser/manifest_file/pm_manifest_file_test.cc b/chrome/test/data/nacl/manifest_file/pm_manifest_file_test.cc
similarity index 99%
rename from ppapi/native_client/tests/nacl_browser/manifest_file/pm_manifest_file_test.cc
rename to chrome/test/data/nacl/manifest_file/pm_manifest_file_test.cc
index bfa26dd9597d2b51f7b65f5240a0035180045232..7cb3179864a1e3e3540685d5b620d7656ae1f0c4 100644
--- a/ppapi/native_client/tests/nacl_browser/manifest_file/pm_manifest_file_test.cc
+++ b/chrome/test/data/nacl/manifest_file/pm_manifest_file_test.cc
@@ -550,9 +550,9 @@ void Worker::ManifestOpenTest(nacl::StringBuffer *sb) {
   sb->DiscardOutput();
   sb->Printf("File Contents:\n");
 
-  FILE *iob = fdopen(desc, "r");
   char buffer[4096];
-  while (fgets(buffer, sizeof buffer, iob) != NULL) {
+  int len;
+  while ((len = read(desc, buffer, sizeof buffer - 1)) > 0) {
     // NB: fgets does not discard the newline nor any carriage return
     // character before that.
     //
@@ -576,14 +576,14 @@ void Worker::ManifestOpenTest(nacl::StringBuffer *sb) {
     //
     // To defend against such nonsense, we weaken the test slighty,
     // and just strip the CR if it is present.
-    int len = strlen(buffer);
     if (len >= 2 && buffer[len-1] == '\n' && buffer[len-2] == '\r') {
       buffer[len-2] = '\n';
       buffer[len-1] = '\0';
     }
+    // Null terminate.
+    buffer[len] = 0;
     sb->Printf("%s", buffer);
   }
-  fclose(iob);  // closed desc
   NaClSrpcDtor(&manifest_channel);
   return;
 }