Update browserAction.setIcon and pageAction.setIcon for hidpi

chrome/browser/extensions/api/extension_action/page_action_apitest.cc

Index: chrome/browser/extensions/api/extension_action/page_action_apitest.cc
diff --git a/chrome/browser/extensions/api/extension_action/page_action_apitest.cc b/chrome/browser/extensions/api/extension_action/page_action_apitest.cc
index b6f1cc6ed2d084e3a698d4fc17a5007f5d64a3dc..175998107edb4aab4eca5f5b1c38cb0a814c448f 100644
--- a/chrome/browser/extensions/api/extension_action/page_action_apitest.cc
+++ b/chrome/browser/extensions/api/extension_action/page_action_apitest.cc
@@ -17,9 +17,21 @@
 #include "chrome/common/extensions/extension_action.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/browser/web_contents.h"
+#include "ui/gfx/image/image_skia.h"
 
 using extensions::Extension;
 
+namespace {
+
+gfx::Image CreateNonEmptyImage() {
+  SkBitmap bitmap;
+  bitmap.setConfig(SkBitmap::kARGB_8888_Config, 16, 16);
+  bitmap.allocPixels();
+  return gfx::Image(bitmap);
+}
+
+}  // namespace
+
 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, PageAction) {
   ASSERT_TRUE(test_server()->Start());
   ASSERT_TRUE(RunExtensionTest("page_action/basics")) << message_;
@@ -168,6 +180,31 @@ IN_PROC_BROWSER_TEST_F(ExtensionApiTest, OldPageActions) {
         browser()->profile(), *extension->page_action(), tab_id, "", 1);
     EXPECT_TRUE(catcher.GetNextResult());
   }
+
+  // Set icon by its index.
+  {
+    int tab_id =
+        ExtensionTabUtil::GetTabId(chrome::GetActiveWebContents(browser()));
+
+    // Set some icon so we can verify it gets cleaned up by setIconIndex.
+    extension->page_action()->SetIcon(tab_id, CreateNonEmptyImage());
+    ASSERT_FALSE(
+        extension->page_action()->GetExplicitlySetIcon(tab_id).empty());
+
+    // Currently, icon index should be set to 0.
+    ASSERT_EQ(0, extension->page_action()->GetIconIndex(tab_id));
+
+    ResultCatcher catcher;
+    ui_test_utils::NavigateToURL(browser(),
+        GURL(extension->GetResourceURL("set_icon_index.html")));
+    ASSERT_TRUE(catcher.GetNextResult());
+
+    // Check new value of icon index is as expected.
+    EXPECT_EQ(1, extension->page_action()->GetIconIndex(tab_id));
+    // Explicitly set icon should have been reset.
+    ASSERT_TRUE(
+        extension->page_action()->GetExplicitlySetIcon(tab_id).empty());
+  }
 }
 
 // Tests popups in page actions.