Clean content_settings_pattern_parser.* from unnecessary dependencies.

chrome/renderer/content_settings_observer_browsertest.cc

Index: chrome/renderer/content_settings_observer_browsertest.cc
diff --git a/chrome/renderer/content_settings_observer_browsertest.cc b/chrome/renderer/content_settings_observer_browsertest.cc
index 5bbed1f469ed84c29499ae8240ffd302fb43ca42..4c0d4515ddc68a5c3ba593d92b3473c0fb5874e3 100644
--- a/chrome/renderer/content_settings_observer_browsertest.cc
+++ b/chrome/renderer/content_settings_observer_browsertest.cc
@@ -7,6 +7,7 @@
 #include "chrome/renderer/content_settings_observer.h"
 #include "chrome/test/base/chrome_render_view_test.h"
 #include "content/public/renderer/render_view.h"
+#include "extensions/common/constants.h"
 #include "ipc/ipc_message_macros.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ -198,7 +199,8 @@ TEST_F(ChromeRenderViewTest, ImagesBlockedByDefault) {
       image_setting_rules.begin(),
       ContentSettingPatternSource(
           ContentSettingsPattern::Wildcard(),
-          ContentSettingsPattern::FromString(mock_observer.image_origin_),
+          ContentSettingsPattern::FromString(extensions::kExtensionScheme,
+                                             mock_observer.image_origin_),
           CONTENT_SETTING_ALLOW,
           std::string(),
           false));
@@ -241,7 +243,8 @@ TEST_F(ChromeRenderViewTest, ImagesAllowedByDefault) {
       image_setting_rules.begin(),
       ContentSettingPatternSource(
           ContentSettingsPattern::Wildcard(),
-          ContentSettingsPattern::FromString(mock_observer.image_origin_),
+          ContentSettingsPattern::FromString(extensions::kExtensionScheme,
+                                             mock_observer.image_origin_),
           CONTENT_SETTING_BLOCK,
           std::string(),
           false));