Port ppapi_ppb_core nacl_integration test to browser_tests.

chrome/test/data/nacl/nacl_browser_test.gypi

Index: chrome/test/data/nacl/nacl_browser_test.gypi
diff --git a/chrome/test/data/nacl/nacl_browser_test.gypi b/chrome/test/data/nacl/nacl_browser_test.gypi
index ac39a1c3131a4de2f14130134b03b460467d5758..557acc2a4f176bf29ebb1e3e84ffc3727b61a294 100644
--- a/chrome/test/data/nacl/nacl_browser_test.gypi
+++ b/chrome/test/data/nacl/nacl_browser_test.gypi
@@ -16,15 +16,21 @@
     'variables': {
       'test_files': [],
       'nacl_newlib_out_dir': '<(PRODUCT_DIR)/nacl_test_data/newlib',
-      'out_newlib32': '>(nacl_newlib_out_dir)/>(nexe_target)_newlib_x86_32.nexe',
-      'out_newlib64': '>(nacl_newlib_out_dir)/>(nexe_target)_newlib_x86_64.nexe',
-      'out_newlib_arm': '>(nacl_newlib_out_dir)/>(nexe_target)_newlib_arm.nexe',
-      'nmf_newlib': '>(nacl_newlib_out_dir)/>(nexe_target).nmf',
       'nacl_glibc_out_dir': '<(PRODUCT_DIR)/nacl_test_data/glibc',
-      'out_glibc32': '>(nacl_glibc_out_dir)/>(nexe_target)_glibc_x86_32.nexe',
-      'out_glibc64': '>(nacl_glibc_out_dir)/>(nexe_target)_glibc_x86_64.nexe',
-      'out_glibc_arm': '>(nacl_glibc_out_dir)/>(nexe_target)_glibc_arm.nexe',
-      'nmf_glibc': '>(nacl_glibc_out_dir)/>(nexe_target).nmf',
+      'target_conditions': [
+        ['nexe_target!=""', {
+          # These variables are used for nexe building and for library building,
+          # so they should be unconditionally re-defined.
+          'out_newlib32': '>(nacl_newlib_out_dir)/>(nexe_target)_newlib_x86_32.nexe',
+          'out_newlib64': '>(nacl_newlib_out_dir)/>(nexe_target)_newlib_x86_64.nexe',
+          'out_newlib_arm': '>(nacl_newlib_out_dir)/>(nexe_target)_newlib_arm.nexe',
+          'nmf_newlib': '>(nacl_newlib_out_dir)/>(nexe_target).nmf',
+          'out_glibc32': '>(nacl_glibc_out_dir)/>(nexe_target)_glibc_x86_32.nexe',
+          'out_glibc64': '>(nacl_glibc_out_dir)/>(nexe_target)_glibc_x86_64.nexe',
+          'out_glibc_arm': '>(nacl_glibc_out_dir)/>(nexe_target)_glibc_arm.nexe',
+          'nmf_glibc': '>(nacl_glibc_out_dir)/>(nexe_target).nmf',
+        }],
+      ],
     },
     'dependencies': [
        '<(DEPTH)/native_client/src/untrusted/nacl/nacl.gyp:nacl_lib',