Give platform apps control over launcher right-click context menu.

chrome/browser/ui/app_list/extension_app_item.cc

Index: chrome/browser/ui/app_list/extension_app_item.cc
diff --git a/chrome/browser/ui/app_list/extension_app_item.cc b/chrome/browser/ui/app_list/extension_app_item.cc
index 079973fbc16c9a5238e54a0390110ce175e76c9f..eb0cd447873be75a00cc6d84f2802921998ddaf7 100644
--- a/chrome/browser/ui/app_list/extension_app_item.cc
+++ b/chrome/browser/ui/app_list/extension_app_item.cc
@@ -5,6 +5,8 @@
 #include "chrome/browser/ui/app_list/extension_app_item.h"
 
 #include "base/utf_string_conversions.h"
+#include "chrome/app/chrome_command_ids.h"
+#include "chrome/browser/extensions/context_menu_manager.h"
 #include "chrome/browser/extensions/extension_prefs.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_system.h"
@@ -19,6 +21,7 @@
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/extension_icon_set.h"
+#include "content/public/common/context_menu_params.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
@@ -211,6 +214,9 @@ bool ExtensionAppItem::IsCommandIdChecked(int command_id) const {
   if (command_id >= LAUNCH_TYPE_START && command_id < LAUNCH_TYPE_LAST) {
     return static_cast<int>(GetExtensionLaunchType(profile_, extension_id_)) +
         LAUNCH_TYPE_START == command_id;
+  } else if (command_id >= IDC_EXTENSIONS_CONTEXT_CUSTOM_FIRST &&
+             command_id <= IDC_EXTENSIONS_CONTEXT_CUSTOM_LAST) {
+    return context_menu_manager_->IsCommandIdChecked(command_id);
   }
   return false;
 }
@@ -231,6 +237,9 @@ bool ExtensionAppItem::IsCommandIdEnabled(int command_id) const {
   } else if (command_id == DETAILS) {
     const Extension* extension = GetExtension();
     return extension && extension->from_webstore();
+  } else if (command_id >= IDC_EXTENSIONS_CONTEXT_CUSTOM_FIRST &&
+             command_id <= IDC_EXTENSIONS_CONTEXT_CUSTOM_LAST) {
+    return context_menu_manager_->IsCommandIdEnabled(command_id);
   }
   return true;
 }
@@ -261,6 +270,12 @@ void ExtensionAppItem::ExecuteCommand(int command_id) {
     StartExtensionUninstall();
   } else if (command_id == DETAILS) {
     ShowExtensionDetails();
+  } else if (command_id >= IDC_EXTENSIONS_CONTEXT_CUSTOM_FIRST &&
+             command_id <= IDC_EXTENSIONS_CONTEXT_CUSTOM_LAST) {
+    content::ContextMenuParams params;
+    // TODO(mek): maybe make page_url not required?

[asargent_no_longer_on_chrome, 2012/09/10 20:25:20]

Yeah, I think it would be good to make page_url be optional

[Marijn Kruisselbrink, 2012/09/10 23:16:57]

Done.

+    params.page_url = GURL("about:blank");
+    context_menu_manager_->ExecuteCommand(command_id, params);
   }
 }
 
@@ -279,7 +294,16 @@ ui::MenuModel* ExtensionAppItem::GetContextMenuModel() {
 
   if (!context_menu_model_.get()) {
     context_menu_model_.reset(new ui::SimpleMenuModel(this));
+    context_menu_manager_.reset(new extensions::ContextMenuManager(
+        profile_, this, context_menu_model_.get(),
+        base::Bind(extensions::ContextMenuManager::ContextIsLauncher)));
+
     context_menu_model_->AddItem(LAUNCH, UTF8ToUTF16(title()));
+
+    int index = 0;
+    context_menu_manager_->AppendExtensionItems(extension_id_, string16(),
+                                                &index);
+
     context_menu_model_->AddSeparator(ui::NORMAL_SEPARATOR);
     context_menu_model_->AddItemWithStringId(
         TOGGLE_PIN,