Tweak heuristic to hide fixed-size parent <div>s for one more case.

BUG=http://code.google.com/p/chromium/issues/detail?id=63695
TEST=http://www.zontera.com/banners/clients_work/floating_flash/centered/dove/

Review URL: http://codereview.chromium.org/6266009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@71761 0039d316-1c4b-4281-b951-d872f2087c98

chrome/renderer/blocked_plugin.cc

@@ -7,6 +7,7 @@
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/string_piece.h"
+#include "base/string_util.h"
 #include "base/values.h"
 #include "chrome/common/jstemplate_builder.h"
 #include "chrome/common/render_messages.h"
@@ -188,11 +189,19 @@ void BlockedPlugin::HidePlugin() {
   if (element.hasAttribute("width") && element.hasAttribute("height")) {
     std::string width_str("width:[\\s]*");
     width_str += element.getAttribute("width").utf8().data();
+    if (EndsWith(width_str, "px", false)) {
+      width_str = width_str.substr(0, width_str.length() - 2);
+    }
+    TrimWhitespace(width_str, TRIM_TRAILING, &width_str);
     width_str += "[\\s]*px";
     WebRegularExpression width_regex(WebString::fromUTF8(width_str.c_str()),
                                      WebKit::WebTextCaseSensitive);
     std::string height_str("height:[\\s]*");
     height_str += element.getAttribute("height").utf8().data();
+    if (EndsWith(height_str, "px", false)) {
+      height_str = height_str.substr(0, height_str.length() - 2);
+    }
+    TrimWhitespace(height_str, TRIM_TRAILING, &height_str);
     height_str += "[\\s]*px";
     WebRegularExpression height_regex(WebString::fromUTF8(height_str.c_str()),
                                       WebKit::WebTextCaseSensitive);