Remove third_party/golang.org/x/mobile as it is no longer used with Go 1.5.

third_party/go/src/golang.org/x/mobile/app/app.go

Index: third_party/go/src/golang.org/x/mobile/app/app.go
diff --git a/third_party/go/src/golang.org/x/mobile/app/app.go b/third_party/go/src/golang.org/x/mobile/app/app.go
deleted file mode 100644
index 75652f71bd52ebef0644fb85fca798b2fce28d7b..0000000000000000000000000000000000000000
--- a/third_party/go/src/golang.org/x/mobile/app/app.go
+++ /dev/null
@@ -1,102 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build linux darwin
-
-package app
-
-import (
-	"io"
-
-	"golang.org/x/mobile/event"
-)
-
-// Run starts the app.
-//
-// It must be called directly from the main function and will
-// block until the app exits.
-func Run(cb Callbacks) {
-	run(cb)
-}
-
-// Callbacks is the set of functions called by the app.
-type Callbacks struct {
-	// Start is called when the app enters the foreground.
-	// The app will start receiving Draw and Touch calls.
-	//
-	// If the app is responsible for the screen (that is, it is an
-	// all-Go app), then Window geometry will be configured and an
-	// OpenGL context will be available during Start.
-	//
-	// If this is a library, Start will be called before the
-	// app is told that Go has finished initialization.
-	//
-	// Start is an equivalent lifecycle state to onStart() on
-	// Android and applicationDidBecomeActive on iOS.
-	Start func()
-
-	// Stop is called shortly before a program is suspended.
-	//
-	// When Stop is received, the app is no longer visible and not is
-	// receiving events. It should:
-	//
-	//	- Save any state the user expects saved (for example text).
-	//	- Release all resources that are not needed.
-	//
-	// Execution time in the stop state is limited, and the limit is
-	// enforced by the operating system. Stop as quickly as you can.
-	//
-	// An app that is stopped may be started again. For example, the user
-	// opens Recent Apps and switches to your app. A stopped app may also
-	// be terminated by the operating system with no further warning.
-	//
-	// Stop is equivalent to onStop() on Android and
-	// applicationDidEnterBackground on iOS.
-	Stop func()
-
-	// Draw is called by the render loop to draw the screen.
-	//
-	// Drawing is done into a framebuffer, which is then swapped onto the
-	// screen when Draw returns. It is called 60 times a second.
-	Draw func()
-
-	// Touch is called by the app when a touch event occurs.
-	Touch func(event.Touch)
-}
-
-// Open opens a named asset.
-//
-// On Android, assets are accessed via android.content.res.AssetManager.
-// These files are stored in the assets/ directory of the app. Any raw asset
-// can be accessed by its direct relative name. For example assets/img.png
-// can be opened with Open("img.png").
-//
-// On iOS an asset is a resource stored in the application bundle.
-// Resources can be loaded using the same relative paths.
-//
-// For consistency when debugging on a desktop, assets are read from a
-// directoy named assets under the current working directory.
-func Open(name string) (ReadSeekCloser, error) {
-	return openAsset(name)
-}
-
-// ReadSeekCloser is an io.ReadSeeker and io.Closer.
-type ReadSeekCloser interface {
-	io.ReadSeeker
-	io.Closer
-}
-
-// State is global application-specific state.
-//
-// The State variable also holds operating system specific state.
-// Android apps have the extra methods:
-//
-//	// JavaVM returns a JNI *JavaVM.
-//	JavaVM() unsafe.Pointer
-//
-//	// AndroidContext returns a jobject for the app android.context.Context.
-//	AndroidContext() unsafe.Pointer
-//
-// State is not valid until Run has been called.
-var State interface{}