Identity API: add chrome.identity.getAccounts

chrome/browser/extensions/api/identity/identity_api.h

Index: chrome/browser/extensions/api/identity/identity_api.h
diff --git a/chrome/browser/extensions/api/identity/identity_api.h b/chrome/browser/extensions/api/identity/identity_api.h
index a4346208a21601824630c55517511ae8a97395ae..8551c1c4632b3323000d3fb48513a577423cf1bd 100644
--- a/chrome/browser/extensions/api/identity/identity_api.h
+++ b/chrome/browser/extensions/api/identity/identity_api.h
@@ -108,6 +108,10 @@ class IdentityAPI : public BrowserContextKeyedAPI,
 
   const CachedTokens& GetAllCachedTokens();
 
+  // Account queries.
+  std::vector<std::string> GetAccounts() const;
+
+  // Global error reporting.
   void ReportAuthError(const GoogleServiceAuthError& error);
   GoogleServiceAuthError GetAuthStatusForTest() const;
 
@@ -124,6 +128,8 @@ class IdentityAPI : public BrowserContextKeyedAPI,
   void AddShutdownObserver(ShutdownObserver* observer);
   void RemoveShutdownObserver(ShutdownObserver* observer);
 
+  void SetAccountStateForTest(AccountIds ids, bool is_signed_in);
+
  private:
   friend class BrowserContextKeyedAPIFactory<IdentityAPI>;
 
@@ -141,6 +147,20 @@ class IdentityAPI : public BrowserContextKeyedAPI,
 template <>
 void BrowserContextKeyedAPIFactory<IdentityAPI>::DeclareFactoryDependencies();
 
+class IdentityGetAccountsFunction : public ChromeUIThreadExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION("identity.getAccounts",
+                             IDENTITY_GETACCOUNTS);
+
+  IdentityGetAccountsFunction();
+
+ private:
+  virtual ~IdentityGetAccountsFunction();
+
+  // UIThreadExtensionFunction implementation.
+  virtual ExtensionFunction::ResponseAction Run() OVERRIDE;
+};
+
 // identity.getAuthToken fetches an OAuth 2 function for the
 // caller. The request has three sub-flows: non-interactive,
 // interactive, and sign-in.