Move ExtensionHost from src/chrome to src/extensions

chrome/browser/extensions/extension_view_host.cc

 // Copyright 2013 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/extensions/extension_view_host.h"
 
 #include "base/strings/string_piece.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/window_controller.h"
 #include "chrome/browser/file_select_helper.h"
 #include "chrome/browser/platform_util.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_dialogs.h"
 #include "components/web_modal/web_contents_modal_dialog_manager.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_view.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/browser/runtime_data.h"
 #include "extensions/common/extension_messages.h"
 #include "grit/browser_resources.h"
+#include "third_party/WebKit/public/web/WebInputEvent.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/events/keycodes/keyboard_codes.h"
 
 using content::NativeWebKeyboardEvent;
 using content::OpenURLParams;
 using content::RenderViewHost;
 using content::WebContents;
 using content::WebContentsObserver;
 using web_modal::WebContentsModalDialogManager;
 
@@ skipping 181 matching lines @@
   if (extension_host_type() == VIEW_TYPE_EXTENSION_POPUP) {
     if (event.type == NativeWebKeyboardEvent::RawKeyDown &&
         event.windowsKeyCode == ui::VKEY_ESCAPE) {
       Close();
       return;
     }
   }
   UnhandledKeyboardEvent(source, event);
 }
 
+bool ExtensionViewHost::PreHandleGestureEvent(
+    content::WebContents* source,
+    const blink::WebGestureEvent& event) {
+  // Disable pinch zooming.
+  return event.type == blink::WebGestureEvent::GesturePinchBegin ||
+      event.type == blink::WebGestureEvent::GesturePinchUpdate ||
+      event.type == blink::WebGestureEvent::GesturePinchEnd;
+}
+
 content::ColorChooser* ExtensionViewHost::OpenColorChooser(
     WebContents* web_contents,
     SkColor initial_color,
     const std::vector<content::ColorSuggestion>& suggestions) {
   // Similar to the file chooser below, opening a color chooser requires a
   // visible <input> element to click on. Therefore this code only exists for
   // extensions with a view.
   return chrome::ShowColorChooser(web_contents, initial_color);
 }
 
@@ skipping 96 matching lines @@
 
 void ExtensionViewHost::InsertInfobarCSS() {
   static const base::StringPiece css(
       ResourceBundle::GetSharedInstance().GetRawDataResource(
       IDR_EXTENSIONS_INFOBAR_CSS));
 
   host_contents()->GetMainFrame()->InsertCSS(css.as_string());
 }
 
 }  // namespace extensions