Refactored the translate infobars.

chrome/browser/views/infobars/translate_message_infobar.cc

+// Copyright (c) 2010 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/browser/views/infobars/translate_message_infobar.h"
+
+#include "chrome/browser/translate/translate_infobar_delegate2.h"
+#include "chrome/browser/views/infobars/infobar_text_button.h"
+#include "views/controls/image_view.h"
+
+TranslateMessageInfoBar::TranslateMessageInfoBar(
+    TranslateInfoBarDelegate2* delegate)
+    : TranslateInfoBarBase(delegate) {
+  label_ = CreateLabel(delegate->GetMessageInfoBarText());
+  AddChildView(label_);
+
+  string16 button_text = delegate->GetMessageInfoBarButtonText();
+  if (button_text.empty()) {
+    button_ = NULL;
+  } else {
+    button_ = InfoBarTextButton::Create(this, button_text);
+    AddChildView(button_);
+  }
+}
+
+void TranslateMessageInfoBar::Layout() {
+  TranslateInfoBarBase::Layout();
+
+  int x = icon_->bounds().right() + InfoBar::kIconLabelSpacing;
+  gfx::Size label_pref_size = label_->GetPreferredSize();
+  int available_width = GetAvailableWidth() - x;
+  gfx::Size button_pref_size;
+  if (button_) {
+    button_pref_size = button_->GetPreferredSize();
+    available_width -=
+        (button_pref_size.width() + InfoBar::kButtonInLabelSpacing);
+  }
+  label_->SetBounds(x, InfoBar::OffsetY(this, label_pref_size),
+                    std::min(label_pref_size.width(), available_width),
+                    label_pref_size.height());
+
+  if (button_) {
+    button_->SetBounds(label_->bounds().right() +
+                          InfoBar::kButtonInLabelSpacing,
+                       InfoBar::OffsetY(this, button_pref_size),
+                       button_pref_size.width(), button_pref_size.height());
+  }
+}
+
+void TranslateMessageInfoBar::ButtonPressed(views::Button* sender,
+                                            const views::Event& event) {
+  if (sender == button_) {
+    GetDelegate()->MessageInfoBarButtonPressed();
+    return;
+  }
+  TranslateInfoBarBase::ButtonPressed(sender, event);
+}