Introduce new chrome.easyUnlock APIs for getting the sign-in challenge and...

Introduce new chrome.easyUnlock APIs for getting the sign-in challenge and using it to sign in the user.

BUG=401636

Review URL: https://codereview.chromium.org/552893002

Cr-Commit-Position: refs/heads/master@{#294317}

chrome/browser/extensions/api/easy_unlock_private/easy_unlock_private_api.cc

@@ -546,5 +546,33 @@ bool EasyUnlockPrivateGetRemoteDevicesFunction::RunSync() {
   return true;
 }
 
+EasyUnlockPrivateGetSignInChallengeFunction::
+    EasyUnlockPrivateGetSignInChallengeFunction() {
+}
+
+EasyUnlockPrivateGetSignInChallengeFunction::
+    ~EasyUnlockPrivateGetSignInChallengeFunction() {
+}
+
+bool EasyUnlockPrivateGetSignInChallengeFunction::RunAsync() {
+  SetError("Not implemented");
+  SendResponse(false);
+  return true;
+}
+
+EasyUnlockPrivateTrySignInSecretFunction::
+    EasyUnlockPrivateTrySignInSecretFunction() {
+}
+
+EasyUnlockPrivateTrySignInSecretFunction::
+    ~EasyUnlockPrivateTrySignInSecretFunction() {
+}
+
+bool EasyUnlockPrivateTrySignInSecretFunction::RunAsync() {
+  SetError("Not implemented");
+  SendResponse(false);
+  return true;
+}
+
 }  // namespace api
 }  // namespace extensions

chrome/browser/extensions/api/easy_unlock_private/easy_unlock_private_api.h

@@ -277,6 +277,38 @@ class EasyUnlockPrivateGetRemoteDevicesFunction : public SyncExtensionFunction {
   DISALLOW_COPY_AND_ASSIGN(EasyUnlockPrivateGetRemoteDevicesFunction);
 };
 
+class EasyUnlockPrivateGetSignInChallengeFunction :
+    public AsyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION("easyUnlockPrivate.getSignInChallenge",
+                             EASYUNLOCKPRIVATE_GETSIGNINCHALLENGE)
+  EasyUnlockPrivateGetSignInChallengeFunction();
+
+ private:
+  virtual ~EasyUnlockPrivateGetSignInChallengeFunction();
+
+  // AsyncExtensionFunction:
+  virtual bool RunAsync() OVERRIDE;
+
+  DISALLOW_COPY_AND_ASSIGN(EasyUnlockPrivateGetSignInChallengeFunction);
+};
+
+class EasyUnlockPrivateTrySignInSecretFunction :
+    public AsyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION("easyUnlockPrivate.trySignInSecret",
+                             EASYUNLOCKPRIVATE_TRYSIGNINSECRET)
+  EasyUnlockPrivateTrySignInSecretFunction();
+
+ private:
+  virtual ~EasyUnlockPrivateTrySignInSecretFunction();
+
+  // AsyncExtensionFunction:
+  virtual bool RunAsync() OVERRIDE;
+
+  DISALLOW_COPY_AND_ASSIGN(EasyUnlockPrivateTrySignInSecretFunction);
+};
+
 }  // namespace api
 }  // namespace extensions
 

chrome/common/extensions/api/easy_unlock_private.idl

@@ -259,5 +259,14 @@
 
     // Gets the remote device list.
     static void getRemoteDevices(GetRemoteDevicesCallback callback);
+
+    // Gets the sign-in challenge for the current user.
+    static void getSignInChallenge(DataCallback callback);
+
+    // Tries to sign-in the current user with a secret obtained by decrypting
+    // the sign-in challenge. Check chrome.runtime.lastError for failures. Upon
+    // success, the user session will be started.
+    static void trySignInSecret(ArrayBuffer signInSecret,
+                                EmptyCallback callback);
   };
 };

extensions/browser/extension_function_histogram_value.h

@@ -949,6 +949,8 @@ enum HistogramValue {
   MEDIAGALLERIES_REMOVEALLGALLERYWATCH,
   MANAGEMENT_GETSELF,
   APP_CURRENTWINDOWINTERNAL_SETVISIBLEONALLWORKSPACES,
+  EASYUNLOCKPRIVATE_GETSIGNINCHALLENGE,
+  EASYUNLOCKPRIVATE_TRYSIGNINSECRET,
   // Last entry: Add new entries above and ensure to update
   // tools/metrics/histograms/histograms.xml.
   ENUM_BOUNDARY

tools/metrics/histograms/histograms.xml

@@ -41485,6 +41485,8 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   <int value="888" label="MEDIAGALLERIES_REMOVEALLGALLERYWATCH"/>
   <int value="889" label="MANAGEMENT_GETSELF"/>
   <int value="890" label="APP_CURRENTWINDOWINTERNAL_SETVISIBLEONALLWORKSPACES"/>
+  <int value="891" label="EASYUNLOCKPRIVATE_GETSIGNINCHALLENGE"/>
+  <int value="892" label="EASYUNLOCKPRIVATE_TRYSIGNINSECRET"/>
 </enum>
 
 <enum name="ExtensionInstallCause" type="int">