Update page context for plugins hooks

lib/page/index.js

@@ -7,7 +7,6 @@ var error = require('../utils/error');
 var pathUtil = require('../utils/path');
 var location = require('../utils/location');
 var parsers = require('../parsers');
-var gitbook = require('../gitbook');
 var pluginCompatibility = require('../plugins/compatibility');
 var HTMLPipeline = require('./html');
 

lib/plugins/compatibility.js

@@ -14,12 +14,13 @@ function pluginCtx(plugin) {
 
 // Call a function "fn" with a context of page similar to the one in GitBook v2
 function pageHook(page, fn) {
-    var ctx = {
-        type: page.type,
-        content: page.content,
-        path: page.path,
-        rawPath: page.rawPath
-    };
+    // Get page context
+    var ctx = page.getContext().page;
+
+    // Add other informations
+    ctx.type    = page.type;
+    ctx.rawPath = page.rawPath;
+    ctx.path    = page.path;
 
     // Deprecate sections
     error.deprecateField(ctx, 'sections', [