Support wildcards for policy-controlled plugin blacklists.

BUG=53158
TEST=Configure wildcard blacklist pattern and check whether plugins get disabled in about:plugins.

Review URL: http://codereview.chromium.org/3435001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@59635 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/common/plugin_group_unittest.cc b/chrome/common/plugin_group_unittest.cc
index fa6398f..7bef7d2a9 100644
--- a/chrome/common/plugin_group_unittest.cc
+++ b/chrome/common/plugin_group_unittest.cc
@@ -47,6 +47,10 @@
     std::vector<WebPluginMimeType>(), true };
 
 class PluginGroupTest : public testing::Test {
+ protected:
+  virtual void TearDown() {
+    PluginGroup::SetPolicyDisabledPluginPatterns(std::set<string16>());
+  }
 };
 
 TEST(PluginGroupTest, PluginGroupMatch) {
@@ -168,3 +172,16 @@
     EXPECT_EQ(versions[i][1], version);
   }
 }
+
+TEST(PluginGroupTest, DisabledByPolicy) {
+  std::set<string16> disabled_plugins;
+  disabled_plugins.insert(ASCIIToUTF16("Disable this!"));
+  disabled_plugins.insert(ASCIIToUTF16("*Google*"));
+  PluginGroup::SetPolicyDisabledPluginPatterns(disabled_plugins);
+
+  EXPECT_FALSE(PluginGroup::IsPluginNameDisabledByPolicy(ASCIIToUTF16("42")));
+  EXPECT_TRUE(PluginGroup::IsPluginNameDisabledByPolicy(
+      ASCIIToUTF16("Disable this!")));
+  EXPECT_TRUE(PluginGroup::IsPluginNameDisabledByPolicy(
+      ASCIIToUTF16("Google Earth")));
+}