Introduce an "ExtensionWantsToAct" method

chrome/browser/extensions/location_bar_controller_unittest.cc

Index: chrome/browser/extensions/location_bar_controller_unittest.cc
diff --git a/chrome/browser/extensions/location_bar_controller_unittest.cc b/chrome/browser/extensions/location_bar_controller_unittest.cc
index 2cbc4da515fb82221f7479930dac508438894fa6..48c25866ba48987811301633d0e4f35589d8587b 100644
--- a/chrome/browser/extensions/location_bar_controller_unittest.cc
+++ b/chrome/browser/extensions/location_bar_controller_unittest.cc
@@ -8,6 +8,7 @@
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "chrome/browser/extensions/active_script_controller.h"
+#include "chrome/browser/extensions/api/extension_action/extension_action_api.h"
 #include "chrome/browser/extensions/extension_action.h"
 #include "chrome/browser/extensions/extension_action_manager.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ -159,6 +160,17 @@ TEST_F(LocationBarControllerUnitTest, NavigationClearsState) {
   page_action.SetTitle(tab_id(), "Goodbye");
   page_action.SetPopupUrl(tab_id(), extension->GetResourceURL("popup.html"));
 
+  ExtensionActionAPI* extension_action_api =
+      ExtensionActionAPI::Get(profile());
+  // By default, extensions shouldn't want to act on a page.
+  EXPECT_FALSE(extension_action_api->ExtensionWantsToRun(extension,
+                                                         web_contents()));
+  // Showing the page action should indicate that an extension *does* want to
+  // run on the page.
+  page_action.SetIsVisible(tab_id(), true);
+  EXPECT_TRUE(extension_action_api->ExtensionWantsToRun(extension,
+                                                        web_contents()));
+
   EXPECT_EQ("Goodbye", page_action.GetTitle(tab_id()));
   EXPECT_EQ(extension->GetResourceURL("popup.html"),
             page_action.GetPopupUrl(tab_id()));
@@ -169,12 +181,16 @@ TEST_F(LocationBarControllerUnitTest, NavigationClearsState) {
   EXPECT_EQ("Goodbye", page_action.GetTitle(tab_id()));
   EXPECT_EQ(extension->GetResourceURL("popup.html"),
             page_action.GetPopupUrl(tab_id()));
+  EXPECT_TRUE(extension_action_api->ExtensionWantsToRun(extension,
+                                                        web_contents()));
 
   // Should discard the settings, and go back to the defaults.
   NavigateAndCommit(GURL("http://www.yahoo.com"));
 
   EXPECT_EQ("Hello", page_action.GetTitle(tab_id()));
   EXPECT_EQ(GURL(), page_action.GetPopupUrl(tab_id()));
+  EXPECT_FALSE(extension_action_api->ExtensionWantsToRun(extension,
+                                                         web_contents()));
 }
 
 }  // namespace