Force inlining on trivial accessors.

Make volatility for GetFieldObject a template parameter.
Move some trivial mirror::String routines to a -inl.h.

Bug: 14285442

Change-Id: Ie23b11d4f18cb15a62c3bbb42837a8aaf6b68f92
diff --git a/runtime/mirror/object_array-inl.h b/runtime/mirror/object_array-inl.h
index e0c14c3..203a6b2 100644
--- a/runtime/mirror/object_array-inl.h
+++ b/runtime/mirror/object_array-inl.h
@@ -51,11 +51,11 @@
 
 template<class T>
 inline T* ObjectArray<T>::Get(int32_t i) {
-  if (UNLIKELY(!CheckIsValidIndex(i))) {
+  if (!CheckIsValidIndex(i)) {
     DCHECK(Thread::Current()->IsExceptionPending());
     return NULL;
   }
-  return GetFieldObject<T>(OffsetOfElement(i), false);
+  return GetFieldObject<T>(OffsetOfElement(i));
 }
 
 template<class T> template<VerifyObjectFlags kVerifyFlags>
@@ -82,9 +82,8 @@
 template<class T>
 template<bool kTransactionActive, bool kCheckTransaction, VerifyObjectFlags kVerifyFlags>
 inline void ObjectArray<T>::Set(int32_t i, T* object) {
-  if (LIKELY(CheckIsValidIndex(i) && CheckAssignable<kVerifyFlags>(object))) {
-    SetFieldObject<kTransactionActive, kCheckTransaction, kVerifyFlags>(OffsetOfElement(i), object,
-                                                                        false);
+  if (CheckIsValidIndex(i) && CheckAssignable<kVerifyFlags>(object)) {
+    SetFieldObject<kTransactionActive, kCheckTransaction, kVerifyFlags>(OffsetOfElement(i), object);
   } else {
     DCHECK(Thread::Current()->IsExceptionPending());
   }
@@ -95,8 +94,7 @@
 inline void ObjectArray<T>::SetWithoutChecks(int32_t i, T* object) {
   DCHECK(CheckIsValidIndex<kVerifyFlags>(i));
   DCHECK(CheckAssignable<static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis)>(object));
-  SetFieldObject<kTransactionActive, kCheckTransaction, kVerifyFlags>(OffsetOfElement(i), object,
-                                                                      false);
+  SetFieldObject<kTransactionActive, kCheckTransaction, kVerifyFlags>(OffsetOfElement(i), object);
 }
 
 template<class T>
@@ -106,13 +104,13 @@
   // TODO:  enable this check. It fails when writing the image in ImageWriter::FixupObjectArray.
   // DCHECK(CheckAssignable(object));
   SetFieldObjectWithoutWriteBarrier<kTransactionActive, kCheckTransaction, kVerifyFlags>(
-      OffsetOfElement(i), object, false);
+      OffsetOfElement(i), object);
 }
 
 template<class T>
 inline T* ObjectArray<T>::GetWithoutChecks(int32_t i) {
   DCHECK(CheckIsValidIndex(i));
-  return GetFieldObject<T>(OffsetOfElement(i), false);
+  return GetFieldObject<T>(OffsetOfElement(i));
 }
 
 template<class T>