Add a simple browser UI (with url bar)

mandoline/ui/browser/BUILD.gn

Index: mandoline/ui/browser/BUILD.gn
diff --git a/mandoline/ui/browser/BUILD.gn b/mandoline/ui/browser/BUILD.gn
index 42a7e7854b00b520b0c5a8dba2130444bedac7e6..98cfc8a6f5e3f5f93f9534ec2718b86ae6854e65 100644
--- a/mandoline/ui/browser/BUILD.gn
+++ b/mandoline/ui/browser/BUILD.gn
@@ -21,6 +21,18 @@ mojo_native_application("window_manager") {
     "navigator_host_impl.h",
   ]
 
+  if (is_android) {

[sky, 2015/05/07 23:07:32]

nit: combine with if (!is_android) below?

+    sources += [
+      "android/android_ui.cc",
+      "android/android_ui.h",
+    ]
+  } else {
+    sources += [
+      "desktop/desktop_ui.cc",
+      "desktop/desktop_ui.h",
+    ]
+  }
+
   deps = [
     "//base",
     "//components/view_manager/public/cpp",
@@ -29,10 +41,15 @@ mojo_native_application("window_manager") {
     "//mojo/application",
     "//mojo/common:common",
     "//mojo/converters/geometry",
+    "//skia",
     "//third_party/mojo/src/mojo/public/cpp/bindings",
     "//third_party/mojo/src/mojo/public/cpp/utility",
     "//third_party/mojo/src/mojo/public/interfaces/application",
     "//ui/gfx/geometry",
     "//ui/mojo/events:interfaces",
   ]
+
+  if (!is_android) {
+    deps += [ "//mandoline/ui/aura" ]
+  }
 }