Add support for triggering Android intents based on content.

content/common/view_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.
 
 // IPC messages for page rendering.
 // Multiply-included message file, hence no include guard.
 
 #include "base/process.h"
 #include "base/shared_memory.h"
 #include "content/common/content_export.h"
@@ skipping 2074 matching lines @@
 IPC_MESSAGE_ROUTED3(ViewHostMsg_SendCurrentPageAllSavableResourceLinks,
                     std::vector<GURL> /* all savable resource links */,
                     std::vector<content::Referrer> /* all referrers */,
                     std::vector<GURL> /* all frame links */)
 
 IPC_MESSAGE_ROUTED3(ViewHostMsg_SendSerializedHtmlData,
                     GURL /* frame's url */,
                     std::string /* data buffer */,
                     int32 /* complete status */)
 
+#if defined(OS_ANDROID)
+// Start an android intent with the given URI.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_StartContentIntent,
+                    GURL /* content URL */)

[jam, 2012/07/10 21:06:16]

nit: convention (not followed everywhere, unfortunately) is to put the
dispatcher's parameter name in the comment, i.e. content_url

[Leandro Graciá Gil, 2012/07/11 10:55:43]

Done.

+#endif
+
 // Notifies the browser of an event occurring in the media pipeline.
 IPC_MESSAGE_CONTROL1(ViewHostMsg_MediaLogEvent,
                      media::MediaLogEvent /* event */)
 
 // Requests to lock the mouse. Will result in a ViewMsg_LockMouse_ACK message
 // being sent back.
 // |privileged| is used by Pepper Flash. If this flag is set to true, we won't
 // pop up a bubble to ask for user permission or take mouse lock content into
 // account.
 IPC_MESSAGE_ROUTED3(ViewHostMsg_LockMouse,
@@ skipping 20 matching lines @@
 // (according to the value of is_hung). The browser can give the user the
 // option of killing the plugin.
 IPC_MESSAGE_ROUTED3(ViewHostMsg_PepperPluginHung,
                     int /* plugin_child_id */,
                     FilePath /* path */,
                     bool /* is_hung */)
 
 // Screen was rotated. Dispatched to the onorientationchange javascript API.
 IPC_MESSAGE_ROUTED1(ViewMsg_OrientationChangeEvent,
                     int /* orientation */)