Move webkit/plugins/ppapi to content/renderer/pepper.

webkit/plugins/ppapi/plugin_delegate.h

-// 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.
-
-#ifndef WEBKIT_PLUGINS_PPAPI_PLUGIN_DELEGATE_H_
-#define WEBKIT_PLUGINS_PPAPI_PLUGIN_DELEGATE_H_
-
-#include <string>
-#include <vector>
-
-#include "base/callback.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/shared_memory.h"
-#include "base/message_loop/message_loop_proxy.h"
-#include "base/platform_file.h"
-#include "base/process.h"
-#include "base/sync_socket.h"
-#include "base/time/time.h"
-#include "ipc/ipc_platform_file.h"
-#include "media/video/capture/video_capture.h"
-#include "media/video/video_decode_accelerator.h"
-#include "ppapi/c/dev/pp_video_dev.h"
-#include "ppapi/c/dev/ppb_device_ref_dev.h"
-#include "ppapi/c/pp_completion_callback.h"
-#include "ppapi/c/pp_errors.h"
-#include "ppapi/c/pp_file_info.h"
-#include "ppapi/c/pp_instance.h"
-#include "ppapi/c/pp_resource.h"
-#include "ppapi/c/pp_stdint.h"
-#include "ppapi/c/ppb_tcp_socket.h"
-#include "ppapi/c/private/ppb_flash.h"
-#include "ppapi/c/private/ppb_tcp_socket_private.h"
-#include "ppapi/c/private/ppb_udp_socket_private.h"
-#include "ppapi/shared_impl/dir_contents.h"
-#include "ui/gfx/size.h"
-#include "url/gurl.h"
-#include "webkit/common/fileapi/file_system_types.h"
-#include "webkit/common/quota/quota_types.h"
-#include "webkit/plugins/webkit_plugins_export.h"
-
-class GURL;
-class SkBitmap;
-class SkCanvas;
-class TransportDIB;
-struct PP_NetAddress_Private;
-
-namespace IPC {
-struct ChannelHandle;
-}
-
-namespace WebKit {
-class WebGraphicsContext3D;
-}
-
-namespace base {
-class MessageLoopProxy;
-class Time;
-}
-
-namespace content {
-class RendererPpapiHost;
-}
-
-namespace fileapi {
-struct DirectoryEntry;
-}
-
-namespace gfx {
-class Point;
-}
-
-namespace gpu {
-class CommandBuffer;
-struct Mailbox;
-}
-
-namespace ppapi {
-class PepperFilePath;
-class PpapiPermissions;
-class PPB_X509Certificate_Fields;
-class SocketOptionData;
-struct DeviceRefData;
-struct HostPortPair;
-struct Preferences;
-
-namespace thunk {
-class ResourceCreationAPI;
-}
-
-}  // namespace ppapi
-
-namespace WebKit {
-typedef SkCanvas WebCanvas;
-class WebGamepads;
-class WebPlugin;
-struct WebCompositionUnderline;
-struct WebCursorInfo;
-struct WebURLError;
-class WebURLLoaderClient;
-class WebURLResponse;
-}
-
-namespace webkit_glue {
-class P2PTransport;
-class NetworkListObserver;
-}  // namespace webkit_glue
-
-namespace webkit {
-
-namespace ppapi {
-
-class FileIO;
-class FullscreenContainer;
-class PluginInstanceImpl;
-class PluginModule;
-class PPB_Broker_Impl;
-class PPB_Flash_Menu_Impl;
-class PPB_ImageData_Impl;
-class PPB_TCPSocket_Private_Impl;
-
-// Virtual interface that the browser implements to implement features for
-// PPAPI plugins.
-class PluginDelegate {
- public:
-  // This interface is used for the PluginModule to tell the code in charge of
-  // re-using modules which modules currently exist.
-  //
-  // It is different than the other interfaces, which are scoped to the
-  // lifetime of the plugin instance. The implementor of this interface must
-  // outlive all plugin modules, and is in practice a singleton
-  // (PepperPluginRegistry). This requirement means we can't do the obvious
-  // thing and just have a PluginDelegate call for this purpose (when the
-  // module is being deleted, we know there are no more PluginInstances that
-  // have PluginDelegates).
-  class ModuleLifetime {
-   public:
-    // Notification that the given plugin object is no longer usable. It either
-    // indicates the module was deleted, or that it has crashed.
-    //
-    // This can be called from the module's destructor, so you should not
-    // dereference the given pointer.
-    virtual void PluginModuleDead(PluginModule* dead_module) = 0;
-  };
-
-  // This class is implemented by the PluginDelegate implementation and is
-  // designed to manage the lifetime and communication with the proxy's
-  // HostDispatcher for out-of-process PPAPI plugins.
-  //
-  // The point of this is to avoid having a relationship from the PPAPI plugin
-  // implementation to the ppapi proxy code. Otherwise, things like the IPC
-  // system will be dependencies of the webkit directory, which we don't want.
-  //
-  // The PluginModule will scope the lifetime of this object to its own
-  // lifetime, so the implementation can use this to manage the HostDispatcher
-  // lifetime without introducing the dependency.
-  class OutOfProcessProxy {
-   public:
-    virtual ~OutOfProcessProxy() {}
-
-    // Implements GetInterface for the proxied plugin.
-    virtual const void* GetProxiedInterface(const char* name) = 0;
-
-    // Notification to the out-of-process layer that the given plugin instance
-    // has been created. This will happen before the normal PPB_Instance method
-    // calls so the out-of-process code can set up the tracking information for
-    // the new instance.
-    virtual void AddInstance(PP_Instance instance) = 0;
-
-    // Like AddInstance but removes the given instance. This is called after
-    // regular instance shutdown so the out-of-process code can clean up its
-    // tracking information.
-    virtual void RemoveInstance(PP_Instance instance) = 0;
-
-    virtual base::ProcessId GetPeerProcessId() = 0;
-    virtual int GetPluginChildId() = 0;
-  };
-
-  // Represents an image. This is to allow the browser layer to supply a correct
-  // image representation. In Chrome, this will be a TransportDIB.
-  class PlatformImage2D {
-   public:
-    virtual ~PlatformImage2D() {}
-
-    // Caller will own the returned pointer, returns NULL on failure.
-    virtual SkCanvas* Map() = 0;
-
-    // Returns the platform-specific shared memory handle of the data backing
-    // this image. This is used by PPAPI proxying to send the image to the
-    // out-of-process plugin. On success, the size in bytes will be placed into
-    // |*bytes_count|. Returns 0 on failure.
-    virtual intptr_t GetSharedMemoryHandle(uint32* byte_count) const = 0;
-
-    virtual TransportDIB* GetTransportDIB() const = 0;
-  };
-
-  class WEBKIT_PLUGINS_EXPORT PlatformGraphics2D {
-   public:
-    virtual ~PlatformGraphics2D() {}
-
-    virtual bool ReadImageData(PP_Resource image, const PP_Point* top_left) = 0;
-
-    // Assciates this device with the given plugin instance. You can pass NULL
-    // to clear the existing device. Returns true on success. In this case, a
-    // repaint of the page will also be scheduled. Failure means that the device
-    // is already bound to a different instance, and nothing will happen.
-    virtual bool BindToInstance(PluginInstanceImpl* new_instance) = 0;
-
-    // Paints the current backing store to the web page.
-    virtual void Paint(WebKit::WebCanvas* canvas,
-                       const gfx::Rect& plugin_rect,
-                       const gfx::Rect& paint_rect) = 0;
-
-    // Notifications about the view's progress painting.  See PluginInstance.
-    // These messages are used to send Flush callbacks to the plugin.
-    virtual void ViewWillInitiatePaint() = 0;
-    virtual void ViewInitiatedPaint() = 0;
-    virtual void ViewFlushedPaint() = 0;
-
-    virtual bool IsAlwaysOpaque() const = 0;
-    virtual void SetScale(float scale) = 0;
-    virtual float GetScale() const = 0;
-    virtual PPB_ImageData_Impl* ImageData() = 0;
-  };
-
-  class PlatformContext3D {
-   public:
-    virtual ~PlatformContext3D() {}
-
-    // Initialize the context.
-    virtual bool Init(const int32* attrib_list,
-                      PlatformContext3D* share_context) = 0;
-
-    // Retrieves the mailbox name for the front buffer backing the context.
-    virtual void GetBackingMailbox(::gpu::Mailbox* mailbox) = 0;
-
-    // Returns true if the backing texture is always opaque.
-    virtual bool IsOpaque() = 0;
-
-    // This call will return the address of the command buffer for this context
-    // that is constructed in Initialize() and is valid until this context is
-    // destroyed.
-    virtual ::gpu::CommandBuffer* GetCommandBuffer() = 0;
-
-    // If the command buffer is routed in the GPU channel, return the route id.
-    // Otherwise return 0.
-    virtual int GetCommandBufferRouteId() = 0;
-
-    // Set an optional callback that will be invoked when the context is lost
-    // (e.g. gpu process crash). Takes ownership of the callback.
-    virtual void SetContextLostCallback(
-        const base::Callback<void()>& callback) = 0;
-
-    // Set an optional callback that will be invoked when the GPU process
-    // sends a console message.
-    typedef base::Callback<void(const std::string&, int)>
-        ConsoleMessageCallback;
-    virtual void SetOnConsoleMessageCallback(
-        const ConsoleMessageCallback& callback) = 0;
-
-    // Run the callback once the channel has been flushed.
-    virtual bool Echo(const base::Callback<void()>& callback) = 0;
-  };
-
-  // The base class of clients used by |PlatformAudioOutput| and
-  // |PlatformAudioInput|.
-  class PlatformAudioClientBase {
-   protected:
-    virtual ~PlatformAudioClientBase() {}
-
-   public:
-    // Called when the stream is created.
-    virtual void StreamCreated(base::SharedMemoryHandle shared_memory_handle,
-                               size_t shared_memory_size,
-                               base::SyncSocket::Handle socket) = 0;
-  };
-
-  class PlatformAudioOutputClient : public PlatformAudioClientBase {
-   protected:
-    virtual ~PlatformAudioOutputClient() {}
-  };
-
-  class PlatformAudioOutput {
-   public:
-    // Starts the playback. Returns false on error or if called before the
-    // stream is created or after the stream is closed.
-    virtual bool StartPlayback() = 0;
-
-    // Stops the playback. Returns false on error or if called before the stream
-    // is created or after the stream is closed.
-    virtual bool StopPlayback() = 0;
-
-    // Closes the stream. Make sure to call this before the object is
-    // destructed.
-    virtual void ShutDown() = 0;
-
-   protected:
-    virtual ~PlatformAudioOutput() {}
-  };
-
-  class PlatformAudioInputClient : public PlatformAudioClientBase {
-   public:
-    virtual void StreamCreationFailed() = 0;
-
-   protected:
-    virtual ~PlatformAudioInputClient() {}
-  };
-
-  class PlatformAudioInput {
-   public:
-    virtual void StartCapture() = 0;
-    virtual void StopCapture() = 0;
-
-    // Closes the stream. Make sure to call this before the object is
-    // destructed.
-    virtual void ShutDown() = 0;
-
-   protected:
-    virtual ~PlatformAudioInput() {}
-  };
-
-  // Interface for PlatformVideoDecoder is directly inherited from general media
-  // VideoDecodeAccelerator interface.
-  class PlatformVideoDecoder : public media::VideoDecodeAccelerator {
-   public:
-    virtual ~PlatformVideoDecoder() {}
-  };
-
-  class PlatformVideoCaptureEventHandler
-      : public media::VideoCapture::EventHandler {
-   public:
-    virtual ~PlatformVideoCaptureEventHandler() {}
-
-    virtual void OnInitialized(media::VideoCapture* capture,
-                               bool succeeded) = 0;
-  };
-
-  class PlatformVideoCapture : public media::VideoCapture,
-                               public base::RefCounted<PlatformVideoCapture> {
-   public:
-    // Detaches the event handler and stops sending notifications to it.
-    virtual void DetachEventHandler() = 0;
-
-   protected:
-    virtual ~PlatformVideoCapture() {}
-
-   private:
-    friend class base::RefCounted<PlatformVideoCapture>;
-  };
-
-  // Provides access to the ppapi broker.
-  class Broker {
-   public:
-    // Decrements the references to the broker.
-    // When there are no more references, this renderer's dispatcher is
-    // destroyed, allowing the broker to shutdown if appropriate.
-    // Callers should not reference this object after calling Disconnect().
-    virtual void Disconnect(webkit::ppapi::PPB_Broker_Impl* client) = 0;
-
-   protected:
-    virtual ~Broker() {}
-  };
-
-  // Notification that the given plugin is focused or unfocused.
-  virtual void PluginFocusChanged(webkit::ppapi::PluginInstanceImpl* instance,
-                                  bool focused) = 0;
-  // Notification that the text input status of the given plugin is changed.
-  virtual void PluginTextInputTypeChanged(
-      webkit::ppapi::PluginInstanceImpl* instance) = 0;
-  // Notification that the caret position in the given plugin is changed.
-  virtual void PluginCaretPositionChanged(
-      webkit::ppapi::PluginInstanceImpl* instance) = 0;
-  // Notification that the plugin requested to cancel the current composition.
-  virtual void PluginRequestedCancelComposition(
-      webkit::ppapi::PluginInstanceImpl* instance) = 0;
-  // Notification that the text selection in the given plugin is changed.
-  virtual void PluginSelectionChanged(
-      webkit::ppapi::PluginInstanceImpl* instance) = 0;
-  // Requests simulating IME events for testing purpose.
-  virtual void SimulateImeSetComposition(
-      const base::string16& text,
-      const std::vector<WebKit::WebCompositionUnderline>& underlines,
-      int selection_start,
-      int selection_end) = 0;
-  virtual void SimulateImeConfirmComposition(const base::string16& text) = 0;
-
-  // Notification that the given plugin has crashed. When a plugin crashes, all
-  // instances associated with that plugin will notify that they've crashed via
-  // this function.
-  virtual void PluginCrashed(PluginInstanceImpl* instance) = 0;
-
-  // Indicates that the given instance has been created.
-  virtual void InstanceCreated(PluginInstanceImpl* instance) = 0;
-
-  // Indicates that the given instance is being destroyed. This is called from
-  // the destructor, so it's important that the instance is not dereferenced
-  // from this call.
-  virtual void InstanceDeleted(PluginInstanceImpl* instance) = 0;
-
-  // Creates the resource creation API for the given instance.
-  virtual scoped_ptr< ::ppapi::thunk::ResourceCreationAPI>
-      CreateResourceCreationAPI(PluginInstanceImpl* instance) = 0;
-
-  // Returns a pointer (ownership not transferred) to the bitmap to paint the
-  // sad plugin screen with. Returns NULL on failure.
-  virtual SkBitmap* GetSadPluginBitmap() = 0;
-
-  // Creates a replacement plug-in that is shown when the plug-in at |file_path|
-  // couldn't be loaded.
-  virtual WebKit::WebPlugin* CreatePluginReplacement(
-      const base::FilePath& file_path) = 0;
-
-  // The caller will own the pointer returned from this.
-  virtual PlatformImage2D* CreateImage2D(int width, int height) = 0;
-
-  // Returns the internal PlatformGraphics2D implementation.
-  virtual PlatformGraphics2D* GetGraphics2D(PluginInstanceImpl* instance,
-                                            PP_Resource graphics_2d) = 0;
-
-  // The caller will own the pointer returned from this.
-  virtual PlatformContext3D* CreateContext3D() = 0;
-
-  // If |device_id| is empty, the default video capture device will be used. The
-  // user can start using the returned object to capture video right away.
-  // Otherwise, the specified device will be used. The user needs to wait till
-  // |handler| gets an OnInitialized() notification to start using the returned
-  // object.
-  virtual PlatformVideoCapture* CreateVideoCapture(
-      const std::string& device_id,
-      const GURL& document_url,
-      PlatformVideoCaptureEventHandler* handler) = 0;
-
-  // The caller will own the pointer returned from this.
-  virtual PlatformVideoDecoder* CreateVideoDecoder(
-      media::VideoDecodeAccelerator::Client* client,
-      int32 command_buffer_route_id) = 0;
-
-  // Get audio hardware output sample rate.
-  virtual uint32_t GetAudioHardwareOutputSampleRate() = 0;
-
-  // Get audio hardware output buffer size.
-  virtual uint32_t GetAudioHardwareOutputBufferSize() = 0;
-
-  // The caller is responsible for calling Shutdown() on the returned pointer
-  // to clean up the corresponding resources allocated during this call.
-  virtual PlatformAudioOutput* CreateAudioOutput(
-      uint32_t sample_rate,
-      uint32_t sample_count,
-      PlatformAudioOutputClient* client) = 0;
-
-  // If |device_id| is empty, the default audio input device will be used.
-  // The caller is responsible for calling Shutdown() on the returned pointer
-  // to clean up the corresponding resources allocated during this call.
-  virtual PlatformAudioInput* CreateAudioInput(
-      const std::string& device_id,
-      const GURL& document_url,
-      uint32_t sample_rate,
-      uint32_t sample_count,
-      PlatformAudioInputClient* client) = 0;
-
-  // A pointer is returned immediately, but it is not ready to be used until
-  // BrokerConnected has been called.
-  // The caller is responsible for calling Disconnect() on the returned pointer
-  // to clean up the corresponding resources allocated during this call.
-  virtual Broker* ConnectToBroker(webkit::ppapi::PPB_Broker_Impl* client) = 0;
-
-  // Notifies that the number of find results has changed.
-  virtual void NumberOfFindResultsChanged(int identifier,
-                                          int total,
-                                          bool final_result) = 0;
-
-  // Notifies that the index of the currently selected item has been updated.
-  virtual void SelectedFindResultChanged(int identifier, int index) = 0;
-
-  // Sends an async IPC to open a local file.
-  typedef base::Callback<void (base::PlatformFileError, base::PassPlatformFile)>
-      AsyncOpenFileCallback;
-  virtual bool AsyncOpenFile(const base::FilePath& path,
-                             int flags,
-                             const AsyncOpenFileCallback& callback) = 0;
-
-  // These functions expose some of PepperFileSystemHost methods for
-  // PPB_FileRef_Impl (which is in webkit) to access.  Once we migrate FileRef
-  // to the new design in content/, we won't need this delegation.
-  // TODO(victorhsieh): remove these delegation.
-  virtual bool IsFileSystemOpened(PP_Instance instance,
-                                  PP_Resource resource) const = 0;
-  virtual PP_FileSystemType GetFileSystemType(PP_Instance instance,
-                                              PP_Resource resource) const = 0;
-  virtual GURL GetFileSystemRootUrl(PP_Instance instance,
-                                    PP_Resource resource) const = 0;
-
-  // Sends an async IPC to open a file through filesystem API.
-  // When a file is successfully opened, |callback| is invoked with
-  // PLATFORM_FILE_OK, the opened file handle, and a callback function for
-  // notifying that the file is closed. When the users of this function
-  // finished using the file, they must close the file handle and then must call
-  // the supplied callback function.
-  typedef base::Callback<void (base::PlatformFileError)>
-      NotifyCloseFileCallback;
-  typedef base::Callback<
-      void (base::PlatformFileError error,
-            base::PassPlatformFile file,
-            quota::QuotaLimitType quota_policy,
-            const NotifyCloseFileCallback& close_file_callback)>
-      AsyncOpenFileSystemURLCallback;
-  virtual void AsyncOpenFileSystemURL(
-      const GURL& path,
-      int flags,
-      const AsyncOpenFileSystemURLCallback& callback) = 0;
-
-  // Callback typedefs for FileSystem related methods.
-  typedef base::Callback<void (base::PlatformFileError)> StatusCallback;
-  typedef base::Callback<void(
-      const std::vector<fileapi::DirectoryEntry>& entries,
-      bool has_more)> ReadDirectoryCallback;
-  typedef base::Callback<void(
-      const base::PlatformFileInfo& file_info)> MetadataCallback;
-
-  virtual void MakeDirectory(
-      const GURL& path,
-      bool recursive,
-      const StatusCallback& callback) = 0;
-  virtual void Query(const GURL& path,
-                     const MetadataCallback& success_callback,
-                     const StatusCallback& error_callback) = 0;
-  virtual void ReadDirectoryEntries(
-      const GURL& path,
-      const ReadDirectoryCallback& success_callback,
-      const StatusCallback& error_callback) = 0;
-  virtual void Touch(const GURL& path,
-                     const base::Time& last_access_time,
-                     const base::Time& last_modified_time,
-                     const StatusCallback& callback) = 0;
-  virtual void SetLength(const GURL& path,
-                         int64_t length,
-                         const StatusCallback& callback) = 0;
-  virtual void Delete(const GURL& path,
-                      const StatusCallback& callback) = 0;
-  virtual void Rename(const GURL& file_path,
-                      const GURL& new_file_path,
-                      const StatusCallback& callback) = 0;
-  virtual void ReadDirectory(
-      const GURL& directory_path,
-      const ReadDirectoryCallback& success_callback,
-      const StatusCallback& error_callback) = 0;
-
-  // For quota handlings for FileIO API.
-  typedef base::Callback<void (int64)> AvailableSpaceCallback;
-  virtual void QueryAvailableSpace(const GURL& origin,
-                                   quota::StorageType type,
-                                   const AvailableSpaceCallback& callback) = 0;
-  virtual void WillUpdateFile(const GURL& file_path) = 0;
-  virtual void DidUpdateFile(const GURL& file_path, int64_t delta) = 0;
-
-  // Synchronously returns the platform file path for a filesystem URL.
-  virtual void SyncGetFileSystemPlatformPath(const GURL& url,
-                                             base::FilePath* platform_path) = 0;
-
-  // Returns a MessageLoopProxy instance associated with the message loop
-  // of the file thread in this renderer.
-  virtual scoped_refptr<base::MessageLoopProxy>
-      GetFileThreadMessageLoopProxy() = 0;
-
-  // For PPB_TCPSocket_Private.
-  virtual uint32 TCPSocketCreate() = 0;
-  virtual void TCPSocketConnect(PPB_TCPSocket_Private_Impl* socket,
-                                uint32 socket_id,
-                                const std::string& host,
-                                uint16_t port) = 0;
-  virtual void TCPSocketConnectWithNetAddress(
-      PPB_TCPSocket_Private_Impl* socket,
-      uint32 socket_id,
-      const PP_NetAddress_Private& addr) = 0;
-  virtual void TCPSocketSSLHandshake(
-      uint32 socket_id,
-      const std::string& server_name,
-      uint16_t server_port,
-      const std::vector<std::vector<char> >& trusted_certs,
-      const std::vector<std::vector<char> >& untrusted_certs) = 0;
-  virtual void TCPSocketRead(uint32 socket_id, int32_t bytes_to_read) = 0;
-  virtual void TCPSocketWrite(uint32 socket_id, const std::string& buffer) = 0;
-  virtual void TCPSocketDisconnect(uint32 socket_id) = 0;
-  virtual void TCPSocketSetOption(uint32 socket_id,
-                                  PP_TCPSocket_Option name,
-                                  const ::ppapi::SocketOptionData& value) = 0;
-  virtual void RegisterTCPSocket(PPB_TCPSocket_Private_Impl* socket,
-                                 uint32 socket_id) = 0;
-
-  // For PPB_TCPServerSocket_Private.
-  virtual void TCPServerSocketListen(PP_Resource socket_resource,
-                                     const PP_NetAddress_Private& addr,
-                                     int32_t backlog) = 0;
-  virtual void TCPServerSocketAccept(uint32 server_socket_id) = 0;
-  virtual void TCPServerSocketStopListening(
-      PP_Resource socket_resource,
-      uint32 socket_id) = 0;
-
-  // Add/remove a network list observer.
-  virtual bool AddNetworkListObserver(
-      webkit_glue::NetworkListObserver* observer) = 0;
-  virtual void RemoveNetworkListObserver(
-      webkit_glue::NetworkListObserver* observer) = 0;
-
-  // For PPB_X509Certificate_Private.
-  virtual bool X509CertificateParseDER(
-      const std::vector<char>& der,
-      ::ppapi::PPB_X509Certificate_Fields* fields) = 0;
-
-  // Create a fullscreen container for a plugin instance. This effectively
-  // switches the plugin to fullscreen.
-  virtual FullscreenContainer* CreateFullscreenContainer(
-      PluginInstanceImpl* instance) = 0;
-
-  // Gets the size of the screen. The fullscreen window will be created at that
-  // size.
-  virtual gfx::Size GetScreenSize() = 0;
-
-  // Returns a string with the name of the default 8-bit char encoding.
-  virtual std::string GetDefaultEncoding() = 0;
-
-  // Sets the minimum and maximum zoom factors.
-  virtual void ZoomLimitsChanged(double minimum_factor,
-                                 double maximum_factor) = 0;
-
-  // Create an anonymous shared memory segment of size |size| bytes, and return
-  // a pointer to it, or NULL on error.  Caller owns the returned pointer.
-  virtual base::SharedMemory* CreateAnonymousSharedMemory(size_t size) = 0;
-
-  // Returns the current preferences.
-  virtual ::ppapi::Preferences GetPreferences() = 0;
-
-  // Locks the mouse for |instance|. If false is returned, the lock is not
-  // possible. If true is returned then the lock is pending. Success or
-  // failure will be delivered asynchronously via
-  // PluginInstance::OnLockMouseACK().
-  virtual bool LockMouse(PluginInstanceImpl* instance) = 0;
-
-  // Unlocks the mouse if |instance| currently owns the mouse lock. Whenever an
-  // plugin instance has lost the mouse lock, it will be notified by
-  // PluginInstance::OnMouseLockLost(). Please note that UnlockMouse() is not
-  // the only cause of losing mouse lock. For example, a user may press the Esc
-  // key to quit the mouse lock mode, which also results in an OnMouseLockLost()
-  // call to the current mouse lock owner.
-  virtual void UnlockMouse(PluginInstanceImpl* instance) = 0;
-
-  // Returns true iff |instance| currently owns the mouse lock.
-  virtual bool IsMouseLocked(PluginInstanceImpl* instance) = 0;
-
-  // Notifies that |instance| has changed the cursor.
-  // This will update the cursor appearance if it is currently over the plugin
-  // instance.
-  virtual void DidChangeCursor(PluginInstanceImpl* instance,
-                               const WebKit::WebCursorInfo& cursor) = 0;
-
-  // Notifies that |instance| has received a mouse event.
-  virtual void DidReceiveMouseEvent(PluginInstanceImpl* instance) = 0;
-
-  // Determines if the browser entered fullscreen mode.
-  virtual bool IsInFullscreenMode() = 0;
-
-  // Retrieve current gamepad data.
-  virtual void SampleGamepads(WebKit::WebGamepads* data) = 0;
-
-  // Returns true if the containing page is visible.
-  virtual bool IsPageVisible() const = 0;
-
-  typedef base::Callback<
-      void (int /* request_id */,
-            bool /* succeeded */,
-            const std::vector< ::ppapi::DeviceRefData>& /* devices */)>
-      EnumerateDevicesCallback;
-
-  // Enumerates devices of the specified type. The request ID passed into the
-  // callback will be the same as the return value.
-  virtual int EnumerateDevices(PP_DeviceType_Dev type,
-                               const EnumerateDevicesCallback& callback) = 0;
-  // Stop enumerating devices of the specified |request_id|. The |request_id|
-  // is the return value of EnumerateDevicesCallback.
-  virtual void StopEnumerateDevices(int request_id) = 0;
-
-  // Share a given handle with the target process.
-  virtual IPC::PlatformFileForTransit ShareHandleWithRemote(
-      base::PlatformFile handle,
-      base::ProcessId target_process_id,
-      bool should_close_source) const = 0;
-
-  // Returns true if running in process.
-  virtual bool IsRunningInProcess(PP_Instance instance) const = 0;
-
-  // Notifies the plugin of the document load. This should initiate the call to
-  // PPP_Instance.HandleDocumentLoad.
-  //
-  // The loader object should set itself on the PluginInstance as the document
-  // loader using set_document_loader.
-  virtual void HandleDocumentLoad(PluginInstanceImpl* instance,
-                                  const WebKit::WebURLResponse& response) = 0;
-
-  // Sets up the renderer host and out-of-process proxy for an external plugin
-  // module. Returns the renderer host, or NULL if it couldn't be created.
-  virtual content::RendererPpapiHost* CreateExternalPluginModule(
-      scoped_refptr<PluginModule> module,
-      const base::FilePath& path,
-      ::ppapi::PpapiPermissions permissions,
-      const IPC::ChannelHandle& channel_handle,
-      base::ProcessId plugin_pid,
-      int plugin_child_id) = 0;
-};
-
-}  // namespace ppapi
-}  // namespace webkit
-
-#endif  // WEBKIT_PLUGINS_PPAPI_PLUGIN_DELEGATE_H_