Make more of content pass "gn check"

content/public/browser/BUILD.gn

Index: content/public/browser/BUILD.gn
diff --git a/content/public/browser/BUILD.gn b/content/public/browser/BUILD.gn
index 89fdec11fd4b0291c78b36563ebff7a09554c1bc..cc6d83953a9fe2d583f29a493a780523f55de4a1 100644
--- a/content/public/browser/BUILD.gn
+++ b/content/public/browser/BUILD.gn
@@ -39,10 +39,6 @@ source_set("browser_sources") {
                           "//content")
   }
 
-  if (use_aura) {
-    sources -= [ "context_factory.h" ]
-  }
-
   configs += [
     "//build/config:precompiled_headers",
     "//content:content_implementation",
@@ -59,10 +55,16 @@ source_set("browser_sources") {
   deps = [
     "//content/browser",
     "//content/public/common:common_sources",
+    "//gpu",
+    "//media",
     "//net",
+    "//ppapi/c",
+    "//storage/browser",
     "//ui/accessibility",
     "//ui/base",
     "//ui/events",
+    "//ui/gl",
+    "//ui/surface",
   ]
 
   allow_circular_includes_from = [
@@ -70,4 +72,9 @@ source_set("browser_sources") {
     # include headers from each other.
     "//content/browser",
   ]
+
+  if (use_aura) {
+    sources -= [ "context_factory.h" ]
+    deps += [ "//ui/aura" ]
+  }
 }