extensions: tabs: set tab id to -1 for app/devtools windows

chrome/browser/extensions/extension_tab_util.cc

Index: chrome/browser/extensions/extension_tab_util.cc
diff --git a/chrome/browser/extensions/extension_tab_util.cc b/chrome/browser/extensions/extension_tab_util.cc
index 5d4b89b667faac9facefd526cd0de2a974db0499..1bb6b176f3028bc68a06b005618ff443e658535f 100644
--- a/chrome/browser/extensions/extension_tab_util.cc
+++ b/chrome/browser/extensions/extension_tab_util.cc
@@ -315,6 +315,9 @@ int ExtensionTabUtil::GetWindowIdOfTabStripModel(
 }
 
 int ExtensionTabUtil::GetTabId(const WebContents* web_contents) {
+  Browser* browser = chrome::FindBrowserWithWebContents(web_contents);
+  if (browser && browser->is_devtools())

[not at google - send to devlin, 2015/07/17 16:44:58]

ExtensionTabUtil::BrowserSupportsTabs(browser)

+    return -1;
   return SessionTabHelper::IdForTab(web_contents);
 }
 
@@ -489,6 +492,8 @@ bool ExtensionTabUtil::GetTabById(int tab_id,
                                   TabStripModel** tab_strip,
                                   WebContents** contents,
                                   int* tab_index) {
+  if (tab_id == api::tabs::TAB_ID_NONE)
+    return false;
   Profile* profile = Profile::FromBrowserContext(browser_context);
   Profile* incognito_profile =
       include_incognito && profile->HasOffTheRecordProfile() ?