Remove Gears from Chrome

chrome/common/chrome_plugin_api.h

-// Copyright (c) 2009 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.
-//
-// This header specifies the Chrome Plugin API.  It is based heavily on NPAPI.
-// The key difference is that Chrome plugins can be loaded for the lifetime
-// of the browser, and are not tied to a specific web page.
-//
-// NOTE: This API is not final and may change or go away at any point.
-//
-// All strings in the API are UTF8-encoded unless otherwise noted.
-
-#ifndef CHROME_COMMON_CHROME_PLUGIN_API_H__
-#define CHROME_COMMON_CHROME_PLUGIN_API_H__
-#pragma once
-
-#include "base/basictypes.h"
-
-#ifndef STDCALL
-#ifdef WIN32
-#define STDCALL __stdcall
-#else
-#define STDCALL
-#endif // WIN32
-#endif // STDCALL
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-// The current version of the API, used by the 'version' field of CPPluginFuncs
-// and CPBrowserFuncs.
-#define CP_MAJOR_VERSION 0
-#define CP_MINOR_VERSION 11
-#define CP_VERSION       ((CP_MAJOR_VERSION << 8) | (CP_MINOR_VERSION))
-
-#define CP_GET_MAJOR_VERSION(version) ((version & 0xff00) >> 8)
-#define CP_GET_MINOR_VERSION(version) (version & 0x00ff)
-
-typedef unsigned char CPBool;
-
-// Chrome plugins can be loaded into different process types.
-typedef enum {
-  CP_PROCESS_BROWSER = 0,
-  CP_PROCESS_PLUGIN,
-  CP_PROCESS_RENDERER,
-} CPProcessType;
-
-// Return codes.  Error values are negative.
-typedef enum {
-  // No error
-  CPERR_SUCCESS = 0,
-
-  // (network) An asynchronous IO operation is not complete
-  CPERR_IO_PENDING = -1,
-
-  // Generic failure
-  CPERR_FAILURE = -2,
-
-  // The API versions used by plugin and host are incompatible
-  CPERR_INVALID_VERSION = -3,
-
-  // The operation was cancelled
-  CPERR_CANCELLED = -4,
-
-  // An invalid parameter was passed
-  CPERR_INVALID_PARAMETER = -5,
-} CPError;
-
-// Types of response info metadata to query using CPP_GetResponseInfo.
-typedef enum {
-  // HTTP status code.
-  CPRESPONSEINFO_HTTP_STATUS = 0,
-
-  // Raw headers from the server, including the status line.  Headers should
-  // be delimited by "\0", and end with "\0\0" (a blank line).
-  CPRESPONSEINFO_HTTP_RAW_HEADERS = 1,
-} CPResponseInfoType;
-
-// An identifier for the plugin used by the browser.
-typedef struct _CPID_t {
-  int unused;
-} CPID_t;
-typedef struct _CPID_t* CPID;
-
-// An identifier that encapsulates the browsing context needed by various APIs.
-// This includes information about what tab a request was made from, and what
-// profile is active.  Note that this ID is global to all processes, so it can
-// be passed from one process to another.  The value 0 is reserved for an
-// undefined context.
-typedef uint32 CPBrowsingContext;
-
-// Types of context info to query using CPB_GetBrowsingContextInfo.
-typedef enum {
-  // The data directory for the profile associated with this context as a
-  // pointer to a null-terminated string.  The plugin can save persistent data
-  // to this directory.  The returned pointer should be freed using CPB_Free.
-  CPBROWSINGCONTEXT_DATA_DIR_PTR = 0,
-
-  // The locale language code used for the browser UI.  The returned pointer
-  // should be freed using CPB_Free.
-  CPBROWSINGCONTEXT_UI_LOCALE_PTR = 1,
-} CPBrowsingContextInfoType;
-
-// A network request object.
-typedef struct _CPRequest {
-  void* pdata;  // plugin private data
-  const char* url;  // the URL being requested
-  const char* method;  // the request method as an uppercase string (ex: "GET")
-  CPBrowsingContext context;  // context in which this request was made
-} CPRequest;
-
-typedef enum {
-  CPREQUESTLOAD_NORMAL = 0,
-
-  // This is "normal reload", meaning an if-none-match/if-modified-since query
-  CPREQUESTLOAD_VALIDATE_CACHE = 1 << 0,
-
-  // This is "shift-reload", meaning a "pragma: no-cache" end-to-end fetch
-  CPREQUESTLOAD_BYPASS_CACHE = 1 << 1,
-
-  // This is a back/forward style navigation where the cached content should
-  // be preferred over any protocol specific cache validation.
-  CPREQUESTLOAD_PREFERRING_CACHE = 1 << 2,
-
-  // This is a navigation that will fail if it cannot serve the requested
-  // resource from the cache (or some equivalent local store).
-  CPREQUESTLOAD_ONLY_FROM_CACHE = 1 << 3,
-
-  // This is a navigation that will not use the cache at all.  It does not
-  // impact the HTTP request headers.
-  CPREQUESTLOAD_DISABLE_CACHE = 1 << 4,
-
-  // This navigation should not be intercepted by plugins.
-  CPREQUESTLOAD_DISABLE_INTERCEPT = 1 << 5,
-
-  // This request should be loaded synchronously.  What this means is that
-  // CPR_StartRequest and CPR_Read will never return CPERR_IO_PENDING - they
-  // will block until a response is available, and return success or failure.
-  CPREQUESTLOAD_SYNCHRONOUS = 1 << 20,
-} CPRequestLoadFlags;
-
-//
-// Functions provided by plugin to host.
-//
-
-// Called when the browser is unloading the plugin.
-typedef CPError (STDCALL *CPP_ShutdownFunc)(void);
-
-// Returns true if the plugin is interested in handling this request.
-typedef CPBool (STDCALL *CPP_ShouldInterceptRequestFunc)(CPRequest* request);
-
-// Called when an HTML dialog was closed.  json_retval is the JSON string
-// containing the return value sent back by the dialog (using Chrome's
-// JavaScript DOM bindings).
-typedef void (STDCALL *CPP_HtmlDialogClosedFunc)(
-    void* plugin_context, const char* json_retval);
-
-// Asks the plugin to handle the given command.  'command_data' is command-
-// specific data used for some builtin commands: see gears_api.h for
-// possible types.  It is only valid for the duration of this call.
-typedef CPError (STDCALL *CPP_HandleCommandFunc)(
-    CPBrowsingContext context, int command, void* command_data);
-
-//
-// Functions provided by host to plugin.
-//
-
-// Asks the host to handle the given command.  'command_data' is
-// command-specific data used for some builtin commands: see gears_api.h for
-// possible types.  It is only valid for the duration of this call.
-typedef CPError (STDCALL *CPB_HandleCommandFunc)(
-    CPID id, CPBrowsingContext context, int command, void* command_data);
-
-// Asks the browser to enable/disable request interception for this plugin for
-// the given schemes.  'schemes' is an array of strings containing the scheme
-// names the plugin wishes to handle; case is ignored.  If 'schemes' is NULL or
-// empty, request interception is disabled for this plugin.  Multiple calls to
-// this function will add to the existing set of enabled schemes. The browser
-// should call the plugin's CPP_ShouldInterceptRequestFunc for any network
-// requests it makes that match a given scheme.  The browser may choose not to
-// allow the plugin to intercept certain protocols.
-typedef void (STDCALL *CPB_EnableRequestInterceptFunc)(
-    CPID id, const char** schemes, uint32 num_schemes);
-
-// Asks the browser to create a request object for the given method/url.
-// Returns CPERR_SUCCESS and puts the new object into the 'request' field on
-// success, or an error code on failure.  The plugin must call CPR_EndRequest
-// to clean up the request object when it is done with it.
-typedef CPError (STDCALL *CPB_CreateRequestFunc)(
-    CPID id, CPBrowsingContext context, const char* method, const char* url,
-    CPRequest** request);
-
-// Queries the browser's cookie store for cookies set for the given URL.
-// Sets 'cookies' to an allocated string containing the cookies as
-// semicolon-delimited "name=value" pairs on success, NULL on failure.
-// The memory should be freed using CPB_Free when done.
-typedef CPError (STDCALL *CPB_GetCookiesFunc)(
-    CPID id, CPBrowsingContext context, const char* url, char** cookies);
-
-// Allocates memory for the given size using the browser's allocator.  Call
-// CPB_Free when done.
-typedef void* (STDCALL *CPB_AllocFunc)(uint32 size);
-
-// Frees a pointer allocated by CPB_Alloc.
-typedef void (STDCALL *CPB_FreeFunc)(void* memory);
-
-
-// Sets a flag that influences when the plugin process created to host
-// the plugin is shutdown. Generally, the plugin process is terminated
-// when no more plugin instances exist, this is the default behavior.
-// If keep_alive is non-zero, the process will not be terminated when
-// the instance count goes to zero. Note: a non-zero keep_alive value
-// does not prevent the plugin process from being terminated upon
-// overall browser shutdown.
-typedef void (STDCALL *CPB_SetKeepProcessAliveFunc)(CPID id,
-                                                    CPBool keep_alive);
-
-// Asks the browser to show an HTML dialog to the user.  The dialog contents
-// should be loaded from the given URL.  The 'json_arguments' is a JSON string
-// that the dialog can fetch using Chrome's JavaScript DOM bindings.  This call
-// will block until the dialog is closed.  On success, 'json_retval' will
-// contain the JSON string sent back by the dialog (using Chrome's JavaScript
-// DOM bindings), and CPERR_SUCCESS is returned.  'json_retval' should be freed
-// using CPB_Free when done.
-typedef CPError (STDCALL *CPB_ShowHtmlDialogModalFunc)(
-    CPID id, CPBrowsingContext context, const char* url, int width, int height,
-    const char* json_arguments, char** json_retval);
-
-// Similar to CPB_ShowHtmlDialogModalFunc, but does not block.  When the dialog
-// is closed, CPP_HtmlDialogClosed is called with the JSON return value and the
-// given 'plugin_context', which may be used by the plugin to associate other
-// data with the dialog.
-typedef CPError (STDCALL *CPB_ShowHtmlDialogFunc)(
-    CPID id, CPBrowsingContext context, const char* url, int width, int height,
-    const char* json_arguments, void* plugin_context);
-
-// Get the browsing context associated with the given NPAPI instance.
-typedef CPBrowsingContext (STDCALL *CPB_GetBrowsingContextFromNPPFunc)(
-    struct _NPP* npp);
-
-// Queries for some meta data associated with the given browsing context.  See
-// CPBrowsingContextInfoType for possible queries.  If buf_size is too small to
-// contain the entire data, the return value will indicate the size required.
-// Otherwise, the return value is a CPError or CPERR_SUCCESS.
-typedef int (STDCALL *CPB_GetBrowsingContextInfoFunc)(
-    CPID id, CPBrowsingContext context, CPBrowsingContextInfoType type,
-    void* buf, uint32 buf_size);
-
-// Given an URL string, returns the string of command-line arguments that should
-// be passed to start the browser at the given URL.  'arguments' should be freed
-// using CPB_Free when done.
-typedef CPError (STDCALL *CPB_GetCommandLineArgumentsFunc)(
-    CPID id, CPBrowsingContext context, const char* url, char** arguments);
-
-// Asks the browser to let the plugin handle the given UI command.  When the
-// command is invoked, the browser will call CPP_HandleCommand.  'command'
-// should be an integer identifier.  Currently only builtin commands are
-// supported, but in the future we may want to let plugins add custom menu
-// commands with their own descriptions.
-typedef CPError (STDCALL *CPB_AddUICommandFunc)(CPID id, int command);
-
-//
-// Functions related to making network requests.
-// Both the host and plugin will implement their own versions of these.
-//
-
-// Starts the request.  Returns CPERR_SUCCESS if the request could be started
-// immediately, at which point the response info is available to be read.
-// Returns CPERR_IO_PENDING if an asynchronous operation was started, and the
-// caller should wait for CPRR_StartCompleted to be called before reading the
-// response info.  Returns an error code on failure.
-typedef CPError (STDCALL *CPR_StartRequestFunc)(CPRequest* request);
-
-// Stops or cancels the request.  The caller should not access the request
-// object after this call.  If an asynchronous IO operation is pending, the
-// operation is aborted and the caller will not receive a callback for it.
-typedef void (STDCALL *CPR_EndRequestFunc)(CPRequest* request, CPError reason);
-
-// Sets the additional request headers to append to the standard headers that
-// would normally be made with this request.  Headers should be \r\n-delimited,
-// with no terminating \r\n.  Extra headers are not checked against the standard
-// headers for duplicates. Must be called before CPRR_StartCompletedFunc.
-// Plugins should avoid setting the following headers: User-Agent,
-// Content-Length.
-typedef void (STDCALL *CPR_SetExtraRequestHeadersFunc)(CPRequest* request,
-                                                       const char* headers);
-
-// Sets the load flags for this request. 'flags' is a bitwise-OR of
-// CPRequestLoadFlags.  Must be called before CPRR_StartCompletedFunc.
-typedef void (STDCALL *CPR_SetRequestLoadFlagsFunc)(CPRequest* request,
-                                                    uint32 flags);
-
-// Appends binary data to the request body of a POST or PUT request.  The caller
-// should set the "Content-Type" header to the appropriate mime type using
-// CPR_SetExtraRequestHeadersFunc.  This can be called multiple times to append
-// a sequence of data segments to upload.  Must be called before
-// CPR_StartRequestFunc.
-typedef void (STDCALL *CPR_AppendDataToUploadFunc)(
-    CPRequest* request, const char* bytes, int bytes_len);
-
-// Appends the contents of a file to the request body of a POST or PUT request.
-// 'offset' and 'length' can be used to append a subset of the file. Pass zero
-// for 'length' and 'offset' to upload the entire file. 'offset'
-// indicates where the data to upload begins in the file. 'length' indicates
-// how much of the file to upload. A 'length' of zero is interpretted as to
-// end-of-file. If 'length' and 'offset' indicate a range beyond end of file,
-// the amount sent is clipped at eof.
-// See CPR_AppendDataToUploadFunc for additional usage information.
-// (added in v0.4)
-typedef CPError (STDCALL *CPR_AppendFileToUploadFunc)(
-    CPRequest* request, const char* filepath, uint64 offset, uint64 length);
-
-// Queries for some response meta data.  See CPResponseInfoType for possible
-// queries.  If buf_size is too small to contain the entire data, the return
-// value will indicate the size required.  Otherwise, the return value is a
-// CPError or CPERR_SUCCESS.
-typedef int (STDCALL *CPR_GetResponseInfoFunc)(
-    CPRequest* request, CPResponseInfoType type,
-    void* buf, uint32 buf_size);
-
-// Attempts to read a request's response data.  The number of bytes read is
-// returned; 0 indicates an EOF.  CPERR_IO_PENDING is returned if an
-// asynchronous operation was started, and CPRR_ReadCompletedFunc will be called
-// when it completes; 'buf' must be available until the operation completes.
-// Returns an error code on failure.
-typedef int (STDCALL *CPR_ReadFunc)(
-    CPRequest* request, void* buf, uint32 buf_size);
-
-//
-// Functions related to serving network requests.
-// Both the host and plugin will implement their own versions of these.
-//
-
-// Called upon a server-initiated redirect.  The request will still hold the
-// original URL, and 'new_url' will be the redirect destination.
-typedef void (STDCALL *CPRR_ReceivedRedirectFunc)(CPRequest* request,
-                                                  const char* new_url);
-
-// Called when an asynchronous CPR_StartRequest call has completed, once all
-// redirects are followed.  On success, 'result' holds CPERR_SUCCESS and the
-// response info is available to be read via CPR_GetResponseInfo.  On error,
-// 'result' holds the error code.
-typedef void (STDCALL *CPRR_StartCompletedFunc)(CPRequest* request,
-                                                CPError result);
-
-// Called when an asynchronous CPR_Read call has completed.  On success,
-// 'bytes_read' will hold the number of bytes read into the buffer that was
-// passed to CPR_Read; 0 indicates an EOF, and the request object will be
-// destroyed after the call completes.  On failure, 'bytes_read' holds the error
-// code.
-typedef void (STDCALL *CPRR_ReadCompletedFunc)(CPRequest* request,
-                                               int bytes_read);
-
-// Called as upload progress is being made for async POST requests.
-// (added in v0.5)
-typedef void (STDCALL *CPRR_UploadProgressFunc)(CPRequest* request,
-                                                uint64 position,
-                                                uint64 size);
-
-//
-// Functions to support the sending and receipt of messages between processes.
-//
-
-// Returns true if the plugin process is running
-typedef CPBool (STDCALL *CPB_IsPluginProcessRunningFunc)(CPID id);
-
-// Returns the type of the current process.
-typedef CPProcessType (STDCALL *CPB_GetProcessTypeFunc)(CPID id);
-
-// Asks the browser to send raw data to the other process hosting an instance of
-// this plugin. If needed, the plugin process will be started prior to sending
-// the message.
-typedef CPError (STDCALL *CPB_SendMessageFunc)(CPID id,
-                                               const void *data,
-                                               uint32 data_len);
-
-// Asks the browser to send raw data to the other process hosting an instance of
-// this plugin. This function only works from the plugin or renderer process.
-// This function blocks until the message is processed.  The memory should be
-// freed using CPB_Free when done.
-typedef CPError (STDCALL *CPB_SendSyncMessageFunc)(CPID id,
-                                                   const void *data,
-                                                   uint32 data_len,
-                                                   void **retval,
-                                                   uint32 *retval_len);
-
-// This function asynchronously calls the provided function on the plugin
-// thread.  user_data is passed as the argument to the function.
-typedef CPError (STDCALL *CPB_PluginThreadAsyncCallFunc)(CPID id,
-                                                         void (*func)(void *),
-                                                         void *user_data);
-
-// This function creates an open file dialog.  The process is granted access
-// to any files that are selected.  |multiple_files| determines if more than
-// one file can be selected.
-typedef CPError (STDCALL *CPB_OpenFileDialogFunc)(CPID id,
-                                                  CPBrowsingContext context,
-                                                  bool multiple_files,
-                                                  const char *title,
-                                                  const char *filter,
-                                                  void *user_data);
-
-// Informs the plugin of raw data having been sent from another process.
-typedef void (STDCALL *CPP_OnMessageFunc)(void *data, uint32 data_len);
-
-// Informs the plugin of raw data having been sent from another process.
-typedef void (STDCALL *CPP_OnSyncMessageFunc)(void *data, uint32 data_len,
-                                              void **retval,
-                                              uint32 *retval_len);
-
-// Informs the plugin that the file dialog has completed, and contains the
-// results.
-typedef void (STDCALL *CPP_OnFileDialogResultFunc)(void *data,
-                                                   const char **files,
-                                                   uint32 files_len);
-
-// Asks the browser to verify that NPObject* 'event' is the current drag event
-// the browser is dispatching, and extract drag data from the event if so.  On
-// success, returns the drag 'identity' (an up-counter that the browser chrome
-// increases each time a user drag enters a renderer tab), the drag 'event_id'
-// and the 'drag_type' being a utf8 encoded string with values "Files", "Text"
-// or "URL".  If 'add_data' is true, also return the 'drag_data', again a utf8
-// encoded string with the data for the drag type.  For drag type "Files", the
-// data is a backspace delimited list of file paths.
-//
-// The call fails with a CPError if 'event' is an invalid drag event, and sets
-// the 'identity' and 'event_id' to 0.  Note: on success, non-NULL 'drag_type'
-// and 'drag_data' should be freed with CPB_Free() when done.
-typedef CPError (STDCALL *CPB_GetDragDataFunc)(
-    CPID id, CPBrowsingContext context, struct NPObject* event, bool add_data,
-    int32* identity, int32* event_id, char** drag_type, char** drag_data);
-
-// Asks the browser to verify that NPObject* 'event' is the current drag event
-// the browser is dispatching and show the requested drop 'effect' if so.  The
-// browser displays drop effects during dragenter and dragover events, to give
-// user visible feedback (with a drag cursor, typically) to indicate whether a
-// subsequent drop event will succeed or not.  The implementation supports the
-// so-called "copy" and "none" effects.  When 'effect' is non-zero, the "copy"
-// effect is shown.  Otherwise, the "none" effect is shown, which prevents the
-// subsequent drop event from succeeding.  Returns CPError on failure, meaning
-// the 'event' is an invalid drag event.
-//
-// Note: 'effect' is int to allow for new effects in future.  For example, the
-// HTML5-defined drop effects "move" and "link".
-typedef CPError (STDCALL *CPB_SetDropEffectFunc)(
-    CPID id, CPBrowsingContext context, struct NPObject* event, int effect);
-
-// For drag type "Files", the drag data returned by CPB_GetDragDataFunc() is a
-// backspace delimited list of file paths.  Use this routine to pass that data
-// to the browser process to verify that the renderer has permission to access
-// the files.  Returns CPERR_SUCCESS if access is allowed.
-typedef CPError (STDCALL *CPB_AllowFileDropFunc)(
-    CPID id, CPBrowsingContext context, const char* file_drag_data);
-
-// Function table for issuing requests using via the other side's network stack.
-// For the plugin, this functions deal with issuing requests through the
-// browser.  For the browser, these functions deal with allowing the plugin to
-// intercept requests.
-typedef struct _CPRequestFuncs {
-  uint16 size;
-  CPR_SetExtraRequestHeadersFunc set_extra_request_headers;
-  CPR_SetRequestLoadFlagsFunc set_request_load_flags;
-  CPR_AppendDataToUploadFunc append_data_to_upload;
-  CPR_StartRequestFunc start_request;
-  CPR_EndRequestFunc end_request;
-  CPR_GetResponseInfoFunc get_response_info;
-  CPR_ReadFunc read;
-  CPR_AppendFileToUploadFunc append_file_to_upload;
-} CPRequestFuncs;
-
-// Function table for handling requests issued by the other side.  For the
-// plugin, these deal with serving requests that the plugin has intercepted. For
-// the browser, these deal with serving requests that the plugin has issued
-// through us.
-typedef struct _CPResponseFuncs {
-  uint16 size;
-  CPRR_ReceivedRedirectFunc received_redirect;
-  CPRR_StartCompletedFunc start_completed;
-  CPRR_ReadCompletedFunc read_completed;
-  CPRR_UploadProgressFunc upload_progress;
-} CPResponseFuncs;
-
-// Function table of CPP functions (functions provided by plugin to host). This
-// structure is filled in by the plugin in the CP_Initialize call, except for
-// the 'size' field, which is set by the browser.  The version fields should be
-// set to those that the plugin was compiled using.
-typedef struct _CPPluginFuncs {
-  uint16 size;
-  uint16 version;
-  CPRequestFuncs* request_funcs;
-  CPResponseFuncs* response_funcs;
-  CPP_ShutdownFunc shutdown;
-  CPP_ShouldInterceptRequestFunc should_intercept_request;
-  CPP_OnMessageFunc on_message;
-  CPP_HtmlDialogClosedFunc html_dialog_closed;
-  CPP_HandleCommandFunc handle_command;
-  CPP_OnSyncMessageFunc on_sync_message;
-  CPP_OnFileDialogResultFunc on_file_dialog_result;
-} CPPluginFuncs;
-
-// Function table CPB functions (functions provided by host to plugin).
-// This structure is filled in by the browser and provided to the plugin.  The
-// plugin will likely want to save a copy of this structure to make calls
-// back to the browser.
-typedef struct _CPBrowserFuncs {
-  uint16 size;
-  uint16 version;
-  CPRequestFuncs* request_funcs;
-  CPResponseFuncs* response_funcs;
-  CPB_EnableRequestInterceptFunc enable_request_intercept;
-  CPB_CreateRequestFunc create_request;
-  CPB_GetCookiesFunc get_cookies;
-  CPB_AllocFunc alloc;
-  CPB_FreeFunc free;
-  CPB_SetKeepProcessAliveFunc set_keep_process_alive;
-  CPB_ShowHtmlDialogModalFunc show_html_dialog_modal;
-  CPB_ShowHtmlDialogFunc show_html_dialog;
-  CPB_IsPluginProcessRunningFunc is_plugin_process_running;
-  CPB_GetProcessTypeFunc get_process_type;
-  CPB_SendMessageFunc send_message;
-  CPB_GetBrowsingContextFromNPPFunc get_browsing_context_from_npp;
-  CPB_GetBrowsingContextInfoFunc get_browsing_context_info;
-  CPB_GetCommandLineArgumentsFunc get_command_line_arguments;
-  CPB_AddUICommandFunc add_ui_command;
-  CPB_HandleCommandFunc handle_command;
-  CPB_SendSyncMessageFunc send_sync_message;
-  CPB_PluginThreadAsyncCallFunc plugin_thread_async_call;
-  CPB_OpenFileDialogFunc open_file_dialog;
-  CPB_GetDragDataFunc get_drag_data;
-  CPB_SetDropEffectFunc set_drop_effect;
-  CPB_AllowFileDropFunc allow_file_drop;
-} CPBrowserFuncs;
-
-
-//
-// DLL exports
-//
-
-// This export is optional.
-// Prior to calling CP_Initialize, the browser may negotiate with the plugin
-// regarding which version of the CPAPI to utilize. 'min_version' is the
-// lowest version of the interface supported by the browser, 'max_version' is
-// the highest supported version. The plugin can specify which version within
-// the range should be used. This version will be reflected in the version field
-// of the CPBrowserFuncs struct passed to CP_Initialize. If this function
-// returns an error code, CP_Initialize will not be called. If function is not
-// exported by the chrome plugin module, CP_Initiailize will be called with
-// a version of the host's choosing.
-typedef CPError (STDCALL *CP_VersionNegotiateFunc)(
-  uint16 min_version, uint16 max_version, uint16 *selected_version);
-
-// 'bfuncs' are the browser functions provided to the plugin. 'id' is the
-// plugin identifier that the plugin should use when calling browser functions.
-// The plugin should initialize 'pfuncs' with pointers to its own functions,
-// or return an error code.
-// All functions and entry points should be called on the same thread.  The
-// plugin should not attempt to call a browser function from a thread other
-// than the one CP_InitializeFunc is called from.
-typedef CPError (STDCALL *CP_InitializeFunc)(
-    CPID id, const CPBrowserFuncs* bfuncs, CPPluginFuncs* pfuncs);
-
-#ifdef __cplusplus
-} // extern "C"
-#endif
-
-#endif  // CHROME_COMMON_CHROME_PLUGIN_API_H_