Reland Pull the Activity context from WindowAndroid if possible

build/get_landmines.py

Index: build/get_landmines.py
diff --git a/build/get_landmines.py b/build/get_landmines.py
index 4139957129918785c082e741f315c1057002c936..1ccf1c116c66a1c4f9bb48a0bd5ecd958b7a7403 100755
--- a/build/get_landmines.py
+++ b/build/get_landmines.py
@@ -36,6 +36,7 @@ def print_landmines():
   if platform() == 'android':
     print 'Clobber: to handle new way of suppressing findbugs failures.'
     print 'Clobber to fix gyp not rename package name (crbug.com/457038)'
+    print 'Clobber to fix perf bots failing on compile for crbug.com/550410'
   if platform() == 'win' and builder() == 'ninja':
     print 'Compile on cc_unittests fails due to symbols removed in r185063.'
   if platform() == 'linux' and builder() == 'ninja':