Generalize ExtensionIconSet to store icon paths for custom size sets

chrome/common/extensions/extension_icon_set_unittest.cc

Index: chrome/common/extensions/extension_icon_set_unittest.cc
diff --git a/chrome/common/extensions/extension_icon_set_unittest.cc b/chrome/common/extensions/extension_icon_set_unittest.cc
index 433e0c86bf6e9b408dbaa13ec15ba19972fc5888..bfb26edd7ec20d850fecec0987b3eddd7a964af4 100644
--- a/chrome/common/extensions/extension_icon_set_unittest.cc
+++ b/chrome/common/extensions/extension_icon_set_unittest.cc
@@ -6,8 +6,10 @@
 
 #include "testing/gtest/include/gtest/gtest.h"
 
+namespace {
+
 TEST(ExtensionIconSet, Basic) {
-  ExtensionIconSet icons;
+  ExtensionIconSet icons(ExtensionIconSet::ICON_SET_MANIFEST_ICONS);
   EXPECT_EQ("", icons.Get(ExtensionIconSet::EXTENSION_ICON_LARGE,
       ExtensionIconSet::MATCH_EXACTLY));
   EXPECT_EQ("", icons.Get(ExtensionIconSet::EXTENSION_ICON_LARGE,
@@ -50,7 +52,7 @@ TEST(ExtensionIconSet, Basic) {
 }
 
 TEST(ExtensionIconSet, Values) {
-  ExtensionIconSet icons;
+  ExtensionIconSet icons(ExtensionIconSet::ICON_SET_MANIFEST_ICONS);
   EXPECT_FALSE(icons.ContainsPath("foo"));
 
   icons.Add(ExtensionIconSet::EXTENSION_ICON_BITTY, "foo");
@@ -66,7 +68,7 @@ TEST(ExtensionIconSet, Values) {
 }
 
 TEST(ExtensionIconSet, FindSize) {
-  ExtensionIconSet icons;
+  ExtensionIconSet icons(ExtensionIconSet::ICON_SET_MANIFEST_ICONS);
   EXPECT_EQ(ExtensionIconSet::EXTENSION_ICON_INVALID,
             icons.GetIconSizeFromPath("foo"));
 
@@ -86,3 +88,5 @@ TEST(ExtensionIconSet, FindSize) {
   EXPECT_EQ(ExtensionIconSet::EXTENSION_ICON_INVALID,
             icons.GetIconSizeFromPath("foo"));
 }
+
+}  // namespace