components: Eliminate ios checks from individual gyp include files.

components/plugins.gypi

 # Copyright 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
-  'conditions': [
-    ['OS != "ios"', {
-  
-      'targets': [
-        {
-          'target_name': 'plugins_renderer',
-          'type': 'static_library',
-          'dependencies': [
-            '../third_party/re2/re2.gyp:re2',
-            '../gin/gin.gyp:gin',
-            '../skia/skia.gyp:skia',
-            '../third_party/WebKit/public/blink.gyp:blink',
-            '../v8/tools/gyp/v8.gyp:v8',
-          ],
-          'include_dirs': [
-            '..',
-          ],
+  'targets': [
+    {
+      'target_name': 'plugins_renderer',
+      'type': 'static_library',
+      'dependencies': [
+        '../gin/gin.gyp:gin',
+        '../skia/skia.gyp:skia',
+        '../third_party/WebKit/public/blink.gyp:blink',
+        '../third_party/re2/re2.gyp:re2',
+        '../v8/tools/gyp/v8.gyp:v8',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        'plugins/renderer/plugin_placeholder.cc',
+        'plugins/renderer/plugin_placeholder.h',
+        'plugins/renderer/webview_plugin.cc',
+        'plugins/renderer/webview_plugin.h',
+      ],
+      'conditions' : [
+        ['OS=="android"', {
           'sources': [
-            'plugins/renderer/plugin_placeholder.cc',
-            'plugins/renderer/plugin_placeholder.h',
-            'plugins/renderer/webview_plugin.cc',
-            'plugins/renderer/webview_plugin.h',
-          ],
-          'conditions' : [
-            ['OS=="android"', {
-              'sources': [
-                'plugins/renderer/mobile_youtube_plugin.cc',
-                'plugins/renderer/mobile_youtube_plugin.h',
-              ]
-            }],
-          ],
-        },
-      ]
-    }]
+            'plugins/renderer/mobile_youtube_plugin.cc',
+            'plugins/renderer/mobile_youtube_plugin.h',
+          ]
+        }],
+      ],
+    },
   ]
 }