<webview>: Fixed uninitialized variable

chrome/browser/guest_view/web_view/web_view_guest.cc

 // Copyright 2014 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/guest_view/web_view/web_view_guest.h"
 
 #include "base/message_loop/message_loop.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/chrome_notification_types.h"
@@ skipping 211 matching lines @@
 }  // namespace
 
 WebViewGuest::WebViewGuest(content::BrowserContext* browser_context,
                            int guest_instance_id)
    :  GuestView<WebViewGuest>(browser_context, guest_instance_id),
       pending_context_menu_request_id_(0),
       next_permission_request_id_(0),
       is_overriding_user_agent_(false),
       main_frame_id_(0),
       chromevox_injected_(false),
+      current_zoom_factor_(1.0),
       find_helper_(this),
       javascript_dialog_helper_(this) {
 }
 
 // static
 bool WebViewGuest::GetGuestPartitionConfigForSite(
     const GURL& site,
     std::string* partition_domain,
     std::string* partition_name,
     bool* in_memory) {
@@ skipping 1418 matching lines @@
     bool allow,
     const std::string& user_input) {
   WebViewGuest* guest =
       WebViewGuest::From(embedder_render_process_id(), new_window_instance_id);
   if (!guest)
     return;
 
   if (!allow)
     guest->Destroy();
 }