[Autofill] Migrate ContentPasswordManagerDriver<-->Password{Autofill,Generation}Agent IPCs to mojo.

components/autofill/content/public/interfaces/autofill_agent.mojom

Index: components/autofill/content/public/interfaces/autofill_agent.mojom
diff --git a/components/autofill/content/public/interfaces/autofill_agent.mojom b/components/autofill/content/public/interfaces/autofill_agent.mojom
index c0b6e3ed343bd036a8d03d736a0ea448043410d2..5e99165473eba858f9991024cd5531a7543769c6 100644
--- a/components/autofill/content/public/interfaces/autofill_agent.mojom
+++ b/components/autofill/content/public/interfaces/autofill_agent.mojom
@@ -56,3 +56,52 @@ interface AutofillAgent {
   ShowInitialPasswordAccountSuggestions(int32 key,
                                         PasswordFormFillData form_data);
 };
+
+// There is one instance of this interface per render frame in the render
+// process.
+interface PasswordAutofillAgent {
+  // Fills a password form and prepare field autocomplete for multiple
+  // matching logins. Lets the renderer know if it should disable the popup
+  // because the browser process will own the popup UI. |key| serves for
+  // identifying the fill form data in subsequent
+  // ShowPasswordSuggestions messages to the browser.
+  FillPasswordForm(int32 key, PasswordFormFillData form_data);
+
+  // Notification to start (|active| == true) or stop (|active| == false)
+  // logging the decisions made about saving the password.
+  SetLoggingState(bool active);
+ 
+  // Sent when Autofill manager gets the query response from the Autofill server
+  // which contains information about username and password for some forms.
+  // |predictions| maps forms to their username fields.
+  AutofillUsernameAndPasswordDataReceived(FormsPredictionsMap predictions);
+
+  // Tells the renderer to find the focused password form (assuming it exists).
+  // Renderer is expected to return the found password form. If no password form
+  // is focused, the response will contain an empty |autofill::PasswordForm|.
+  FindFocusedPasswordForm() => (PasswordForm form);
+};
+
+// There is one instance of this interface per render frame in the render
+// process.
+interface PasswordGenerationAgent {
+  // Tells the renderer to populate the correct password fields with this
+  // generated password.
+  GeneratedPasswordAccepted(mojo.common.mojom.String16 generated_password);
+  
+  // Tells the renderer to find a focused element, and if it is a password field
+  // eligible for generation then to trigger generation by responding to the
+  // browser with the message |ShowPasswordGenerationPopup|.
+  UserTriggeredGeneratePassword();
+  
+  // Tells the renderer that this password form is not blacklisted.  A form can
+  // be blacklisted if a user chooses "never save passwords for this site".
+  FormNotBlacklisted(PasswordForm form);
+  
+  // Sent when Autofill manager gets the query response from the Autofill server
+  // and there are fields classified for password generation in the response.
+  FoundFormsEligibleForGeneration(array<PasswordFormGenerationData> forms);
+
+  // Tells the renderer to enable the form classifier.
+  AllowToRunFormClassifier();
+};