Port manifest query tests from nacl_integration to browser_tests.

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

Index: chrome/test/data/nacl/manifest_file/pm_pre_init_manifest_file_test.cc
diff --git a/ppapi/native_client/tests/nacl_browser/manifest_file/pm_pre_init_manifest_file_test.cc b/chrome/test/data/nacl/manifest_file/pm_pre_init_manifest_file_test.cc
similarity index 98%
rename from ppapi/native_client/tests/nacl_browser/manifest_file/pm_pre_init_manifest_file_test.cc
rename to chrome/test/data/nacl/manifest_file/pm_pre_init_manifest_file_test.cc
index 1339ebc8b3ddb91cadb600ebec0d1e497a1911cc..0382e17ef06666f30dc9880a09be462a1c42283d 100644
--- a/ppapi/native_client/tests/nacl_browser/manifest_file/pm_pre_init_manifest_file_test.cc
+++ b/chrome/test/data/nacl/manifest_file/pm_pre_init_manifest_file_test.cc
@@ -112,9 +112,9 @@ void TestManifestContents() {
   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.
     //
@@ -143,9 +143,10 @@ void TestManifestContents() {
       buffer[len-2] = '\n';
       buffer[len-1] = '\0';
     }
+    // Null terminate.
+    buffer[len] = 0;
     sb.Printf("%s", buffer);
   }
-  fclose(iob);  // closed desc
 
   sb.Printf("\n");
   sb.Printf("Opening non-existent file:\n");