Enable Clang warnings for implementation files on all platforms.

This fixes a few remaining issues for Android builds

BUG=115047

Review URL: https://chromiumcodereview.appspot.com/14876034

git-svn-id: http://src.chromium.org/svn/trunk/src/build@200125 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

common.gypi

@@ -1542,28 +1542,9 @@
         'grit_defines': ['-D', 'use_concatenated_impulse_responses'],
       }],
       ['clang_use_chrome_plugins==1 and OS!="win"', {
-        'variables': {
         'clang_chrome_plugins_flags': [
           '<!@(<(DEPTH)/tools/clang/scripts/plugin_flags.sh)'
         ],
-        },
-        'conditions': [
-          ['OS=="linux" or OS=="mac"', {
-            'clang_chrome_plugins_flags': [
-              '<@(clang_chrome_plugins_flags)'
-            ],
-          }, {
-            # TODO(rsleevi): http://crbug.com/115047 - This warning is only
-            # enabled for Linux for now. Disable everywhere else.
-            'clang_chrome_plugins_flags': [
-              '<@(clang_chrome_plugins_flags)',
-              '-Xclang',
-              '-plugin-arg-find-bad-constructs',
-              '-Xclang',
-              'skip-virtuals-in-implementations',
-            ],
-          }]
-        ],
       }],
 
       ['asan==1 and OS!="win"', {