8 files changed, 12 insertions, 12 deletions
diff --git a/chrome/browser/extensions/app_notification_storage.cc b/chrome/browser/extensions/app_notification_storage.cc
index 2c8f594..b00f908 100644
--- a/chrome/browser/extensions/app_notification_storage.cc
+++ b/chrome/browser/extensions/app_notification_storage.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -101,7 +101,7 @@ bool JSONToAppNotificationList(const std::string& json,
   return true;
 }
 
-void LogLevelDbError(tracked_objects::Location location,
+void LogLevelDbError(const tracked_objects::Location& location,
                      const leveldb::Status& status) {
   LOG(ERROR) << "AppNotificationStorage database error at "
              << location.ToString() << " status:" << status.ToString();
diff --git a/chrome/browser/extensions/apps_promo.cc b/chrome/browser/extensions/apps_promo.cc
index f67999a..e034c19 100644
--- a/chrome/browser/extensions/apps_promo.cc
+++ b/chrome/browser/extensions/apps_promo.cc
@@ -170,7 +170,7 @@ AppsPromo::PromoData AppsPromo::GetPromo() {
 }
 
 // static
-void AppsPromo::SetPromo(AppsPromo::PromoData data) {
+void AppsPromo::SetPromo(const AppsPromo::PromoData& data) {
   PrefService* local_state = g_browser_process->local_state();
   local_state->SetString(prefs::kNtpWebStorePromoId, data.id);
   local_state->SetString(prefs::kNtpWebStorePromoButton, data.button);
@@ -187,7 +187,7 @@ GURL AppsPromo::GetSourcePromoLogoURL() {
 }
 
 // static
-void AppsPromo::SetSourcePromoLogoURL(GURL logo_source) {
+void AppsPromo::SetSourcePromoLogoURL(const GURL& logo_source) {
   PrefService* local_state = g_browser_process->local_state();
   local_state->SetString(prefs::kNtpWebStorePromoLogoSource,
                          logo_source.spec());
diff --git a/chrome/browser/extensions/apps_promo.h b/chrome/browser/extensions/apps_promo.h
index 78fa96f..37501c7 100644
--- a/chrome/browser/extensions/apps_promo.h
+++ b/chrome/browser/extensions/apps_promo.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -76,12 +76,12 @@ class AppsPromo {
   // |promo_data.logo| is empty or not a valid 'data' URL.
   static void ClearPromo();
   static PromoData GetPromo();
-  static void SetPromo(PromoData promo_data);
+  static void SetPromo(const PromoData& promo_data);
 
   // Gets the original URL of the logo. This should only be set when the logo
   // was served over HTTPS.
   static GURL GetSourcePromoLogoURL();
-  static void SetSourcePromoLogoURL(GURL original_url);
+  static void SetSourcePromoLogoURL(const GURL& original_url);
 
   explicit AppsPromo(PrefService* prefs);
   ~AppsPromo();
diff --git a/chrome/browser/extensions/bundle_installer.cc b/chrome/browser/extensions/bundle_installer.cc
index 1347462..5670ea6d 100644
--- a/chrome/browser/extensions/bundle_installer.cc
+++ b/chrome/browser/extensions/bundle_installer.cc
@@ -40,7 +40,7 @@ AutoApproveForTest g_auto_approve_for_test = DO_NOT_SKIP;
 
 // Creates a dummy extension and sets the manifest's name to the item's
 // localized name.
-scoped_refptr<Extension> CreateDummyExtension(BundleInstaller::Item item,
+scoped_refptr<Extension> CreateDummyExtension(const BundleInstaller::Item& item,
                                               DictionaryValue* manifest) {
   // We require localized names so we can have nice error messages when we can't
   // parse an extension manifest.
diff --git a/chrome/browser/extensions/extension_install_ui.cc b/chrome/browser/extensions/extension_install_ui.cc
index 8052ecb..be8335a 100644
--- a/chrome/browser/extensions/extension_install_ui.cc
+++ b/chrome/browser/extensions/extension_install_ui.cc
@@ -99,7 +99,7 @@ ExtensionInstallUI::Prompt::~Prompt() {
 }
 
 void ExtensionInstallUI::Prompt::SetPermissions(
-    std::vector<string16> permissions) {
+    const std::vector<string16>& permissions) {
   permissions_ = permissions;
 }
 
diff --git a/chrome/browser/extensions/extension_install_ui.h b/chrome/browser/extensions/extension_install_ui.h
index 9a35da0..3b3fa48 100644
--- a/chrome/browser/extensions/extension_install_ui.h
+++ b/chrome/browser/extensions/extension_install_ui.h
@@ -51,7 +51,7 @@ class ExtensionInstallUI : public ImageLoadingTracker::Observer {
     explicit Prompt(PromptType type);
     ~Prompt();
 
-    void SetPermissions(std::vector<string16> permissions);
+    void SetPermissions(const std::vector<string16>& permissions);
     void SetInlineInstallWebstoreData(const std::string& localized_user_count,
                                       double average_rating,
                                       int rating_count);
diff --git a/chrome/browser/extensions/image_loading_tracker.cc b/chrome/browser/extensions/image_loading_tracker.cc
index edf1f4b..7a34abc 100644
--- a/chrome/browser/extensions/image_loading_tracker.cc
+++ b/chrome/browser/extensions/image_loading_tracker.cc
@@ -27,7 +27,7 @@ ImageLoadingTracker::Observer::~Observer() {}
 // ImageLoadingTracker::ImageInfo
 
 ImageLoadingTracker::ImageInfo::ImageInfo(
-    const ExtensionResource resource, gfx::Size max_size)
+    const ExtensionResource& resource, gfx::Size max_size)
     : resource(resource), max_size(max_size) {
 }
 
diff --git a/chrome/browser/extensions/image_loading_tracker.h b/chrome/browser/extensions/image_loading_tracker.h
index 6363877..96e6513 100644
--- a/chrome/browser/extensions/image_loading_tracker.h
+++ b/chrome/browser/extensions/image_loading_tracker.h
@@ -61,7 +61,7 @@ class ImageLoadingTracker : public content::NotificationObserver {
 
   // Information about a single image to load from a extension resource.
   struct ImageInfo {
-    ImageInfo(const ExtensionResource resource, gfx::Size max_size);
+    ImageInfo(const ExtensionResource& resource, gfx::Size max_size);
     ~ImageInfo();
     ExtensionResource resource;
     // If the loaded image is larger than |max_size| it will be resized to those