Support messages extension

Gemfile.lock

@@ -24,7 +24,7 @@ GIT
 
 GIT
   remote: https://github.com/CocoaPods/Xcodeproj.git
-  revision: fb31bbbd7a31e011df5fde90e5b27c85114e99bb
+  revision: 796dec1d5abcdfc02ca1b5b8748d91c3f3e943b0
   branch: master
   specs:
     xcodeproj (1.1.0)

lib/cocoapods/target/aggregate_target.rb

@@ -8,7 +8,7 @@ module Pod
     attr_reader :target_definition
 
     # Product types where the product's frameworks must be embedded in a host target
-    EMBED_FRAMEWORKS_IN_HOST_TARGET_TYPES = [:app_extension, :watch_extension, :framework].freeze
+    EMBED_FRAMEWORKS_IN_HOST_TARGET_TYPES = [:app_extension, :framework, :messages_extension, :watch_extension].freeze
 
     # Initialize a new instance
     #

spec/unit/target/aggregate_target_spec.rb

@@ -219,6 +219,11 @@ module Pod
             @target.requires_host_target?.should == true
           end
 
+          it 'requires a host target for messages extension targets' do
+            @target.user_targets.first.stubs(:symbol_type).returns(:messages_extension)
+            @target.requires_host_target?.should == true
+          end
+
           it 'does not require a host target for watch 2 extension targets' do
             @target.user_targets.first.stubs(:symbol_type).returns(:watch2_extension)
             @target.requires_host_target?.should == false