Add extra warnings to match what Android uses.

gyp/common_conditions.gypi

Index: gyp/common_conditions.gypi
diff --git a/gyp/common_conditions.gypi b/gyp/common_conditions.gypi
index 770269f2b6fbff9e8ed90b185a03ef3692cb08ac..bcdb0cf797c748dbc12a3049075863d00d0d5eca 100644
--- a/gyp/common_conditions.gypi
+++ b/gyp/common_conditions.gypi
@@ -149,6 +149,17 @@
     # The following section is common to linux + derivatives and android
     [ 'skia_os in ["linux", "freebsd", "openbsd", "solaris", "nacl", "chromeos", "android"]',
       {
+        'cflags': [
+          '-Wall',
+          '-Wextra',
+          '-Winit-self',
+          '-Wpointer-arith',
+          # suppressions below here were added for clang / android
+          '-Wno-unused-parameter',
+        ],
+        'cflags_cc': [
+          '-Wnon-virtual-dtor',        
+        ],
         'conditions': [
           [ 'skia_warnings_as_errors', {
             'cflags': [
@@ -230,10 +241,7 @@
           },
         },
         'cflags': [
-          '-Wall',
-          '-Wextra',
           # suppressions below here were added for clang
-          '-Wno-unused-parameter',
           '-Wno-c++11-extensions',

[mtklein, 2013/11/18 21:21:56]

Move this guy up too and get rid of this block?

[djsollen, 2013/11/18 21:34:04]

Done.

         ],
         'conditions' : [
@@ -474,7 +482,6 @@
           '-llog',
         ],
         'cflags': [
-          '-Wall',
           '-fno-exceptions',
           '-fstrict-aliasing',
           '-fuse-ld=gold',