Remove Android only warnings

build/common.gypi

Index: build/common.gypi
diff --git a/build/common.gypi b/build/common.gypi
index 7d1eca815bd6a44cb9af223ff56e39f6ec75abaf..58dcf1268c402791db51005595975f53ea54ee35 100644
--- a/build/common.gypi
+++ b/build/common.gypi
@@ -3053,20 +3053,14 @@
                   # for third party code. This works because cflags are added
                   # before defines.
                   '-U_FORTIFY_SOURCE',
-                  # Chromium builds its own (non-third-party) code with
-                  # -Werror to make all warnings into errors. However, Android
-                  # enables warnings that Chromium doesn't, so some of these
-                  # extra warnings trip and break things.
-                  # For now, we leave these warnings enabled but prevent them
-                  # from being treated as errors.
-                  #
+                  # Disable warnings enabled by the Android build system

[joth, 2013/01/03 18:50:06]

nit: flesh this out to:
Disable any additional warnings enabled by the Android build system but which
chromium does not build cleanly with (when treating warning as errors).

[Kristian Monsen, 2013/01/03 20:10:18]

Done.

                   # Things that are part of -Wextra:
-                  '-Wno-error=extra', # Enabled by -Wextra, but no specific flag
-                  '-Wno-error=ignored-qualifiers',
-                  '-Wno-error=type-limits',
+                  '-Wno-extra', # Enabled by -Wextra, but no specific flag
+                  '-Wno-ignored-qualifiers',
+                  '-Wno-type-limits',
                   # Other things unrelated to -Wextra:
-                  '-Wno-error=non-virtual-dtor',
-                  '-Wno-error=sign-promo',
+                  '-Wno-non-virtual-dtor',
+                  '-Wno-sign-promo',
                 ],
                 'cflags_cc': [
                   # Disabling c++0x-compat should be handled in WebKit, but