[gtk] fix title wrapping on extension install dialog

chrome/browser/ui/gtk/extensions/extension_install_dialog_gtk.cc

Index: chrome/browser/ui/gtk/extensions/extension_install_dialog_gtk.cc
diff --git a/chrome/browser/ui/gtk/extensions/extension_install_dialog_gtk.cc b/chrome/browser/ui/gtk/extensions/extension_install_dialog_gtk.cc
index 4ccd611df116b711e7e8be7b2ee302ef8e8a0edf..f8db72cfdfd798c2a7643c7c63fa58837405dd11 100644
--- a/chrome/browser/ui/gtk/extensions/extension_install_dialog_gtk.cc
+++ b/chrome/browser/ui/gtk/extensions/extension_install_dialog_gtk.cc
@@ -151,11 +151,16 @@ ExtensionInstallDialog::ExtensionInstallDialog(
   GtkWidget* top_content_hbox = gtk_hbox_new(FALSE, ui::kContentAreaSpacing);
   gtk_box_pack_start(GTK_BOX(content_vbox), top_content_hbox, TRUE, TRUE, 0);
 
+  // We don't show the image for bunle installs, so let the left column take up
+  // that space.
+  const int left_column_min_width =
+      kLeftColumnMinWidth + (is_bundle_install ? kImageSize : 0);
+
   // Create a new vbox for the left column.
   GtkWidget* left_column_area = gtk_vbox_new(FALSE, ui::kControlSpacing);
   gtk_box_pack_start(GTK_BOX(top_content_hbox), left_column_area,
                      TRUE, TRUE, 0);
-  gtk_widget_set_size_request(left_column_area, kLeftColumnMinWidth, -1);
+  gtk_widget_set_size_request(left_column_area, left_column_min_width, -1);
 
   GtkWidget* heading_vbox = gtk_vbox_new(FALSE, 0);
   // If we are not going to show anything else, vertically center the title.
@@ -167,8 +172,7 @@ ExtensionInstallDialog::ExtensionInstallDialog(
   // Heading
   GtkWidget* heading_label = gtk_util::CreateBoldLabel(
       UTF16ToUTF8(prompt.GetHeading().c_str()));
-  gtk_label_set_line_wrap(GTK_LABEL(heading_label), true);
-  gtk_misc_set_alignment(GTK_MISC(heading_label), 0.0, 0.5);
+  gtk_util::SetLabelWidth(heading_label, left_column_min_width);
   gtk_box_pack_start(GTK_BOX(heading_vbox), heading_label, center_heading,
                      center_heading, 0);
 
@@ -186,7 +190,7 @@ ExtensionInstallDialog::ExtensionInstallDialog(
     // User count.
     GtkWidget* users_label = gtk_label_new(UTF16ToUTF8(
         prompt.GetUserCount()).c_str());
-    gtk_util::SetLabelWidth(users_label, kLeftColumnMinWidth);
+    gtk_util::SetLabelWidth(users_label, left_column_min_width);
     gtk_util::SetLabelColor(users_label, &ui::kGdkGray);
     gtk_util::ForceFontSizePixels(rating_label, kRatingTextSize);
     gtk_box_pack_start(GTK_BOX(heading_vbox), users_label,
@@ -215,7 +219,7 @@ ExtensionInstallDialog::ExtensionInstallDialog(
     for (size_t i = 0; i < items.size(); ++i) {
       GtkWidget* extension_label = gtk_label_new(UTF16ToUTF8(
           items[i].GetNameForDisplay()).c_str());
-      gtk_util::SetLabelWidth(extension_label, kLeftColumnMinWidth);
+      gtk_util::SetLabelWidth(extension_label, left_column_min_width);
       gtk_box_pack_start(GTK_BOX(extensions_vbox), extension_label,
                          FALSE, FALSE, kExtensionsPadding);
     }
@@ -252,7 +256,7 @@ ExtensionInstallDialog::ExtensionInstallDialog(
 
     GtkWidget* permissions_header = gtk_util::CreateBoldLabel(
         UTF16ToUTF8(prompt.GetPermissionsHeading()).c_str());
-    gtk_util::SetLabelWidth(permissions_header, kLeftColumnMinWidth);
+    gtk_util::SetLabelWidth(permissions_header, left_column_min_width);
     gtk_box_pack_start(GTK_BOX(permissions_container), permissions_header,
                        FALSE, FALSE, 0);
 
@@ -260,7 +264,7 @@ ExtensionInstallDialog::ExtensionInstallDialog(
       std::string permission = l10n_util::GetStringFUTF8(
           IDS_EXTENSION_PERMISSION_LINE, prompt.GetPermission(i));
       GtkWidget* permission_label = gtk_label_new(permission.c_str());
-      gtk_util::SetLabelWidth(permission_label, kLeftColumnMinWidth);
+      gtk_util::SetLabelWidth(permission_label, left_column_min_width);
       gtk_box_pack_start(GTK_BOX(permissions_container), permission_label,
                          FALSE, FALSE, kPermissionsPadding);
     }
@@ -272,7 +276,7 @@ ExtensionInstallDialog::ExtensionInstallDialog(
     // the permissions usually go.
     GtkWidget* oauth_issues_container =
         show_permissions ? content_vbox : left_column_area;
-    int pixel_width = kLeftColumnMinWidth +
+    int pixel_width = left_column_min_width +
         (show_permissions ? kImageSize : 0);
 
     GtkWidget* oauth_issues_header = gtk_util::CreateBoldLabel(