Update comments referring to Chromium-side src/trusted/plugin code

pnacl/driver/pnacl-translate.py

 #!/usr/bin/python
 # Copyright (c) 2012 The Native Client Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import driver_tools
 import filetype
 import ldtools
 import multiprocessing
 import os
@@ skipping 72 matching lines @@
     '${USE_DEFAULTLIBS ? ${DEFAULTLIBS}} ' +
     '--end-group ' +
     '${CRTEND}',
 
   'DEFAULTLIBS': '${ALLOW_ZEROCOST_CXX_EH ? -l:libgcc_eh.a} ' +
                  '-l:libgcc.a -l:libcrt_platform.a ',
 
   # BE CAREFUL: anything added here can introduce skew between
   # the pnacl-translate commandline tool and the in-browser translator.
   # See: llvm/tools/pnacl-llc/srpc_main.cpp and
-  # chromium/src/ppapi/native_client/src/trusted/plugin/pnacl_options.cc
+  # Chromium's plugin/pnacl_translate_thread.cc
   'LLC_FLAGS_COMMON': '${PIC ? -relocation-model=pic} ' +
                       #  -force-tls-non-pic makes the code generator (llc)
                       # do the work that would otherwise be done by
                       # linker rewrites which are quite messy in the nacl
                       # case and hence have not been implemented in gold
                       '${PIC ? -force-tls-non-pic} ',
 
   # LLC flags which set the target and output type.
   'LLC_FLAGS_TARGET' : '-mtriple=${TRIPLE} -filetype=${outfiletype}',
 
   # Append additional non-default flags here.
   # BE CAREFUL: anything added here can introduce skew between
   # the pnacl-translate commandline tool and the in-browser translator.
   # See: llvm/tools/pnacl-llc/srpc_main.cpp and
-  # chromium/src/ppapi/native_client/src/trusted/plugin/pnacl_options.cc
+  # Chromium's plugin/pnacl_translate_thread.cc
   'LLC_FLAGS_EXTRA' : '${FAST_TRANSLATION ? ${LLC_FLAGS_FAST}} ' +
                       '${#OPT_LEVEL ? -O${OPT_LEVEL}} ' +
                       '${OPT_LEVEL == 0 ? -disable-fp-elim}',
 
   # Opt level from command line (if any)
   'OPT_LEVEL' : '',
 
   # faster translation == slower code
   'LLC_FLAGS_FAST' : '-O0'
                      # This, surprisingly, makes a measurable difference
@@ skipping 29 matching lines @@
 
   ( '-pso',            "env.set('TRANSLATE_PSO', '1')"),
 
   ( '-S',              "env.set('OUTPUT_TYPE', 's')"), # Stop at .s
   ( '-c',              "env.set('OUTPUT_TYPE', 'o')"), # Stop at .o
 
   # Expose a very limited set of llc flags.
   # BE CAREFUL: anything added here can introduce skew between
   # the pnacl-translate commandline tool and the in-browser translator.
   # See: llvm/tools/pnacl-llc/srpc_main.cpp and
-  # chromium/src/ppapi/native_client/src/trusted/plugin/pnacl_options.cc
+  # Chromium's plugin/pnacl_translate_thread.cc
   ( '(-sfi-.+)',        "env.append('LLC_FLAGS_EXTRA', $0)"),
   ( '(-mtls-use-call)', "env.append('LLC_FLAGS_EXTRA', $0)"),
   ( '(-force-align-stack)', "env.append('LLC_FLAGS_EXTRA', $0)"),
   # These flags are usually used for linktime dead code/data
   # removal but also help with reloc overflows on ARM
   ( '(-fdata-sections)',     "env.append('LLC_FLAGS_EXTRA', '-data-sections')"),
   ( '(-ffunction-sections)',
     "env.append('LLC_FLAGS_EXTRA', '-function-sections')"),
   ( '(--gc-sections)',       "env.append('LD_FLAGS', $0)"),
   ( '(-mattr=.*)', "env.append('LLC_FLAGS_EXTRA', $0)"),
@@ skipping 369 matching lines @@
 
 ADVANCED OPTIONS:
   -mattr=<+feat1,-feat2>  Toggle specific cpu features on and off.
   -mcpu=<cpu-name>        Target a specific cpu type.  Tunes code as well as
                           turns cpu features on and off.
   -S                      Generate native assembly only.
   -c                      Generate native object file only.
   --pnacl-sb              Use the translator which runs inside the NaCl sandbox.
   -O[0-3]                 Change translation-time optimization level.
 """