chore: remove mips64el patches as they've largely been upstreamed (#18628)

patches/chromium/verbose_generate_breakpad_symbols.patch

@@ -0,0 +1,84 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: John Kleinschmidt <jkleinsc@github.com>
+Date: Thu, 18 Oct 2018 17:08:28 -0700
+Subject: verbose_generate_breakpad_symbols.patch
+
+Temporarily add additional debugging statements to
+generate_breakpad_symbols.py to determine why it is hanging.
+
+diff --git a/components/crash/content/tools/generate_breakpad_symbols.py b/components/crash/content/tools/generate_breakpad_symbols.py
+index dce68b1bd1ef58a5dfddb2bbdb56930ed943ad1d..4249d7b26f9037b60a40e073f56037f9ff036138 100755
+--- a/components/crash/content/tools/generate_breakpad_symbols.py
++++ b/components/crash/content/tools/generate_breakpad_symbols.py
+@@ -60,7 +60,10 @@ def Resolve(path, exe_path, loader_path, rpaths):
+   return path
+ 
+ 
+-def GetSharedLibraryDependenciesLinux(binary):
++def GetSharedLibraryDependenciesLinux(binary, options):
++  if options.verbose:
++    print "GetSharedLibraryDependencies for %s" % binary
++
+   """Return absolute paths to all shared library dependencies of the binary.
+ 
+   This implementation assumes that we're running on a Linux system."""
+@@ -71,6 +74,9 @@ def GetSharedLibraryDependenciesLinux(binary):
+     m = lib_re.match(line)
+     if m:
+       result.append(os.path.abspath(m.group(1)))
++  if options.verbose:
++    print "Done GetSharedLibraryDependencies for %s" % binary
++    print result
+   return result
+ 
+ 
+@@ -183,7 +189,7 @@ def GetSharedLibraryDependencies(options, binary, exe_path):
+   """Return absolute paths to all shared library dependencies of the binary."""
+   deps = []
+   if options.platform == 'linux2':
+-    deps = GetSharedLibraryDependenciesLinux(binary)
++    deps = GetSharedLibraryDependenciesLinux(binary, options)
+   elif options.platform == 'android':
+     deps = GetSharedLibraryDependenciesAndroid(binary)
+   elif options.platform == 'darwin':
+@@ -257,7 +263,8 @@ def CreateSymbolDir(options, output_dir):
+ 
+ def GenerateSymbols(options, binaries):
+   """Dumps the symbols of binary and places them in the given directory."""
+-
++  if options.verbose:
++    print "Generating symbols for %s " % (' '.join(binaries))
+   queue = Queue.Queue()
+   print_lock = threading.Lock()
+ 
+@@ -277,8 +284,15 @@ def GenerateSymbols(options, binaries):
+           reason = "Could not locate dump_syms executable."
+           break
+ 
++        if options.verbose:
++          with print_lock:
++            print "GetBinaryInfoFromHeaderInfo for %s" % (binary)
+         binary_info = GetBinaryInfoFromHeaderInfo(
+             subprocess.check_output([dump_syms, '-i', binary]).splitlines()[0])
++        if options.verbose:
++          with print_lock:
++            print "Done GetBinaryInfoFromHeaderInfo for %s: %s (%s)" % (binary, binary_info.name, binary_info.hash)
++
+         if not binary_info:
+           should_dump_syms = False
+           reason = "Could not obtain binary information."
+@@ -296,8 +310,14 @@ def GenerateSymbols(options, binaries):
+         # See if there is a symbol file already found next to the binary
+         potential_symbol_files = glob.glob('%s.breakpad*' % binary)
+         for potential_symbol_file in potential_symbol_files:
++          if options.verbose:
++            with print_lock:
++              print "Looking at %s as a potential symbol file." % (potential_symbol_file)
+           with open(potential_symbol_file, 'rt') as f:
+             symbol_info = GetBinaryInfoFromHeaderInfo(f.readline())
++            if options.verbose:
++              with print_lock:
++                print "Got symbol_info for %s." % (potential_symbol_file)
+           if symbol_info == binary_info:
+             CreateSymbolDir(options, output_dir)
+             shutil.copyfile(potential_symbol_file, output_path)