Move gpu memory calculations to Compositor.

content/browser/android/in_process/context_provider_in_process.cc

Index: content/browser/android/in_process/context_provider_in_process.cc
diff --git a/content/browser/android/in_process/context_provider_in_process.cc b/content/browser/android/in_process/context_provider_in_process.cc
index 5fea00f2502b594bdd22517e2b25933d30095223..32997697d2ceb0602e826412a8f29995ed359473 100644
--- a/content/browser/android/in_process/context_provider_in_process.cc
+++ b/content/browser/android/in_process/context_provider_in_process.cc
@@ -203,9 +203,4 @@ void ContextProviderInProcess::SetLostContextCallback(
   lost_context_callback_ = lost_context_callback;
 }
 
-void ContextProviderInProcess::SetMemoryPolicyChangedCallback(
-    const MemoryPolicyChangedCallback& memory_policy_changed_callback) {
-  // There's no memory manager for the in-process implementation.
-}
-
 }  // namespace content