Remove adview

To simplify the <appview> upstreaming effort, this CL removes <adview>.

BUG=364141
[email protected] for chrome/renderer/chrome_content_renderer_client.cc
chrome/renderer/resources/renderer_resources.grd

Review URL: https://codereview.chromium.org/327363002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@277076 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/extensions/renderer/resources/platform_app.css b/extensions/renderer/resources/platform_app.css
index eb241de4..1fd35d8 100644
--- a/extensions/renderer/resources/platform_app.css
+++ b/extensions/renderer/resources/platform_app.css
@@ -15,7 +15,7 @@
   font-size: $FONTSIZE;
 }
 
-webview, adview {
+webview {
   display: inline-block;
   width: 300px;
   height: 300px;