Removing references to //ppapi when is_android = true

ppapi/BUILD.gn

 # 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.
 
+assert(!is_android || enable_plugins,
+       "//ppapi should not be referenced when is_android && !enable_plugins")
+
 copy("copy_test_files") {
   visibility = [ ":*" ]
   sources = [
     # Keep "test_case.html.mock-http-headers" with "test_case.html".
     "tests/ppapi_nacl_tests_newlib.nmf",
     "tests/test_case.html",
     "tests/test_case.html.mock-http-headers",
     "tests/test_page.css",
     "tests/test_page.css.mock-http-headers",
   ]
@@ skipping 331 matching lines @@
       ":ppapi_nacl_tests_nmf(//build/toolchain/nacl:glibc_${target_cpu})",
     ]
     if (enable_pnacl) {
       data_deps += [
         ":ppapi_nacl_tests_nmf(//build/toolchain/nacl:newlib_pnacl)",
         ":ppapi_nacl_tests_pnacl_nonsfi_nmf(//build/toolchain/nacl:newlib_pnacl_nonsfi)",
       ]
     }
   }
 }