Move BlimpInputManager to BlimpDocument from BlimpCompositor.

blimp/client/core/compositor/BUILD.gn

 # Copyright 2016 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.
 
 source_set("compositor") {
   visibility = [
     "//blimp/client/app:*",  # TODO(nyquist): Remove this. See crbug/651964.
     "//blimp/client/core/*",
   ]
 
@@ skipping 23 matching lines @@
     "//blimp/net",
     "//cc/proto",
     "//cc/surfaces",
     "//gpu/command_buffer/client",
     "//third_party/libwebp",
     "//ui/gl:gl",
   ]
 
   public_deps = [
     "//base",
-    "//blimp/client/core/input",
     "//blimp/common",
     "//blimp/common/proto",
     "//cc",
     "//skia",
   ]
 }
 
 source_set("unit_tests") {
   visibility = [ "//blimp/client/core:unit_tests" ]
 
@@ skipping 14 matching lines @@
     "//blimp/test:support",
     "//cc",
     "//cc:test_support",
     "//cc/proto",
     "//cc/surfaces",
     "//skia",
     "//testing/gtest",
     "//ui/events:gesture_detection",
   ]
 }