Turning on optimizations for chromium code

build/android/gyp/util/proguard_util.py

Index: build/android/gyp/util/proguard_util.py
diff --git a/build/android/gyp/util/proguard_util.py b/build/android/gyp/util/proguard_util.py
index d7603d38432ebb8300b6b67390f791be39abc499..f1449c8b9884b46f21b925afae542eeaf3ea224c 100644
--- a/build/android/gyp/util/proguard_util.py
+++ b/build/android/gyp/util/proguard_util.py
@@ -45,6 +45,7 @@ class ProguardCmdBuilder(object):
     self._outjar = None
     self._cmd = None
     self._verbose = False
+    self._disabled_optimizations = []
 
   def outjar(self, path):
     assert self._cmd is None
@@ -87,6 +88,10 @@ class ProguardCmdBuilder(object):
     assert self._cmd is None
     self._verbose = verbose
 
+  def disable_optimizations(self, optimizations):
+    assert self._cmd is None
+    self._disabled_optimizations += optimizations
+
   def build(self):
     if self._cmd:
       return self._cmd
@@ -123,6 +128,9 @@ class ProguardCmdBuilder(object):
         '-libraryjars', ':'.join(self._libraries),
       ]
 
+    for optimization in self._disabled_optimizations:
+      cmd += [ '-optimizations', '!' + optimization ]
+
     cmd += [
       '-injars', ':'.join(self._injars)
     ]