pdf: Create a separate component for using the pdf pepper plugin.

chrome/common/render_messages.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.
 
 // Multiply-included file, no traditional include guard.
 #include <stdint.h>
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 554 matching lines @@
                     bool /* is_apple_mobile_webapp_capable */,
                     GURL /* expected_url */)
 
 IPC_MESSAGE_ROUTED4(ChromeViewHostMsg_DidRetrieveMetaTagContent,
                     bool /* success */,
                     std::string /* tag_name */,
                     std::string /* tag_content */,
                     GURL /* expected_url */)
 #endif  // defined(OS_ANDROID)
 
-// The currently displayed PDF has an unsupported feature.
-IPC_MESSAGE_ROUTED0(ChromeViewHostMsg_PDFHasUnsupportedFeature)
-
-// Brings up SaveAs... dialog to save specified URL.
-IPC_MESSAGE_ROUTED2(ChromeViewHostMsg_PDFSaveURLAs,
-                    GURL /* url */,
-                    content::Referrer /* referrer */)
-
-// Updates the content restrictions, i.e. to disable print/copy.
-IPC_MESSAGE_ROUTED1(ChromeViewHostMsg_PDFUpdateContentRestrictions,
-                    int /* restrictions */)
-
-// Brings up a Password... dialog for protected documents.
-IPC_SYNC_MESSAGE_ROUTED1_1(ChromeViewHostMsg_PDFModalPromptForPassword,
-                           std::string /* prompt */,
-                           std::string /* actual_value */)
-
 // This message indicates the error appeared in the frame.
 IPC_MESSAGE_ROUTED1(ChromeViewHostMsg_FrameLoadingError,
                     int /* error */)
 
 // This message indicates the monitored frame loading had completed.
 IPC_MESSAGE_ROUTED0(ChromeViewHostMsg_FrameLoadingCompleted)
 
 // Logs events from InstantExtended New Tab Pages.
 IPC_MESSAGE_ROUTED2(ChromeViewHostMsg_LogEvent,
                     int /* page_seq_no */,
@@ skipping 67 matching lines @@
 // process so that they can be assigned to an Instant renderer.
 IPC_MESSAGE_CONTROL2(ChromeViewMsg_SetSearchURLs,
                      std::vector<GURL> /* search_urls */,
                      GURL /* new_tab_page_url */)
 
 #if defined(ENABLE_PLUGINS)
 // Sent by the renderer to check if crash reporting is enabled.
 IPC_SYNC_MESSAGE_CONTROL0_1(ChromeViewHostMsg_IsCrashReportingEnabled,
                             bool /* enabled */)
 #endif