Allow chrome.debugger API to attach to extension background pages.

Since there is no way to provide a visual notification for the user this will be only possible when --remote-debugging-silent command line switch is present.

BUG=176962


Review URL: https://chromiumcodereview.appspot.com/12304021

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@184645 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 65 insertions, 1 deletions

diff --git a/chrome/test/data/extensions/api_test/debugger/background.js b/chrome/test/data/extensions/api_test/debugger/background.js
index b6b65f5..d68ed6b 100644
--- a/chrome/test/data/extensions/api_test/debugger/background.js
+++ b/chrome/test/data/extensions/api_test/debugger/background.js
@@ -98,6 +98,18 @@ chrome.test.runTests([
           fail("Can not attach to the page with the \"chrome://\" scheme."));
       chrome.tabs.remove(tab.id);
     });
-  }
+  },
 
+  function attachToMissing() {
+    var missingDebuggee = {tabId: -1};
+    chrome.debugger.attach(missingDebuggee, protocolVersion,
+        fail("No tab with given id " + missingDebuggee.tabId + "."));
+  },
+
+  function attachToExtensionWithNoSilentFlag() {
+    debuggeeExtension = {extensionId: "foo"};
+    chrome.debugger.attach(debuggeeExtension, protocolVersion,
+        fail("Cannot attach to an extension unless " +
+            "'silent-debugger-extension-api' flag is enabled."));
+  }
 ]);
diff --git a/chrome/test/data/extensions/api_test/debugger_extension/background.js b/chrome/test/data/extensions/api_test/debugger_extension/background.js
new file mode 100644
index 0000000..63101a8
--- /dev/null
+++ b/chrome/test/data/extensions/api_test/debugger_extension/background.js
@@ -0,0 +1,41 @@
+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+var pass = chrome.test.callbackPass;
+var fail = chrome.test.callbackFail;
+
+var debuggee;
+var protocolVersion = "1.0";
+
+chrome.test.runTests([
+
+  function attach() {
+    var extensionId = chrome.extension.getURL('').split('/')[2];
+    debuggee = {extensionId: extensionId};
+    chrome.debugger.attach(debuggee, protocolVersion, pass());
+  },
+
+  function attachToMissing() {
+    var missingDebuggee = {extensionId: "foo"};
+    chrome.debugger.attach(missingDebuggee, protocolVersion,
+        fail("No extension with given id " +
+            missingDebuggee.extensionId + "."));
+  },
+
+  function attachAgain() {
+    chrome.debugger.attach(debuggee, protocolVersion,
+        fail("Another debugger is already attached to the extension with id: " +
+            debuggee.extensionId + "."));
+  },
+
+  function detach() {
+    chrome.debugger.detach(debuggee, pass());
+  },
+
+  function detachAgain() {
+    chrome.debugger.detach(debuggee,
+        fail("Debugger is not attached to the extension with id: " +
+            debuggee.extensionId + "."));
+  }
+]);
diff --git a/chrome/test/data/extensions/api_test/debugger_extension/manifest.json b/chrome/test/data/extensions/api_test/debugger_extension/manifest.json
new file mode 100644
index 0000000..402429d
--- /dev/null
+++ b/chrome/test/data/extensions/api_test/debugger_extension/manifest.json
@@ -0,0 +1,11 @@
+{
+  "name": "Extension Debugger",
+  "version": "1.0",
+  "manifest_version": 2,
+  "background": {
+    "scripts": ["background.js"]
+  },
+  "permissions": [
+    "debugger"
+  ]
+}