Adding UMA stats.

chrome/renderer/autofill/password_generation_manager.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/renderer/autofill/password_generation_manager.h"
 
 #include "base/logging.h"
+#include "base/metrics/histogram.h"
 #include "chrome/common/autofill_messages.h"
 #include "chrome/common/net/gaia/gaia_urls.h"
 #include "content/public/renderer/render_view.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebInputElement.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFormElement.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebSecurityOrigin.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebCString.h"
@@ skipping 90 matching lines @@
 
     // Do not generate password for GAIA since it is used to retrieve the
     // generated paswords.
     GURL realm(password_form->signon_realm);
     if (realm == GURL(GaiaUrls::GetInstance()->gaia_login_form_realm()))
       continue;
 
     std::vector<WebKit::WebInputElement> passwords;
     if (GetAccountCreationPasswordFields(forms[i], &passwords)) {
       DVLOG(2) << "Account creation form detected";
+      UMA_HISTOGRAM_COUNTS("PasswordGeneration.AccountCreationFormDetected", 1);
       passwords_ = passwords;
       account_creation_form_origin_ = password_form->origin;
       MaybeShowIcon();
       // We assume that there is only one account creation field per URL.
       return;
     }
   }
 }
 
 bool PasswordGenerationManager::ShouldAnalyzeDocument(
@@ skipping 92 matching lines @@
       not_blacklisted_password_form_origins_.empty()) {
     return;
   }
 
   for (std::vector<GURL>::iterator it =
            not_blacklisted_password_form_origins_.begin();
        it != not_blacklisted_password_form_origins_.end(); ++it) {
     if (*it == account_creation_form_origin_) {
       passwords_[0].decorationElementFor(this).setAttribute("style",
                                                             "display:block");
+      UMA_HISTOGRAM_COUNTS("PasswordGeneration.PasswordGenerationIconShown", 1);
       return;
     }
   }
 }
 
 }  // namespace autofill