Split apart the PPAPI GN targets

chrome/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/features.gni")
 import("//build/config/locales.gni")
 import("//build/config/ui.gni")
 import("//chrome/chrome_repack_locales.gni")
 import("//chrome/version.gni")
 
@@ skipping 234 matching lines @@
 }
 
 # GYP version: chromium_browser_dependencies variable in chrome.gyp
 group("browser_dependencies") {
   deps = [
     "//chrome/browser",
     "//chrome/common",
     "//sync",
   ]
   if (!is_ios) {
-    deps += [ "//ppapi:ppapi_host" ]
+    deps += [ "//ppapi/host" ]
   }
 
   if (enable_basic_printing || enable_print_preview) {
     deps += [ "//printing" ]
     if (enable_print_preview) {
       deps += [ "//chrome/service" ]
     }
   }
 }
 
@@ skipping 426 matching lines @@
       "//chrome/browser/ui",
       "//chrome/child",
       "//chrome/plugin",
       "//chrome/renderer",
       "//chrome/utility",
       "//components/enhanced_bookmarks",
       "//content/public/app:browser",
     ]
   }
 }