Move remaining methods inside the Attributes class. Merge the 'Attribute' namespaces.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164631 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Bitcode/Reader/BitcodeReader.cpp b/lib/Bitcode/Reader/BitcodeReader.cpp
index 2b2c36b..b69a362 100644
--- a/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -477,7 +477,7 @@
 
       for (unsigned i = 0, e = Record.size(); i != e; i += 2) {
         Attributes ReconstitutedAttr =
-          Attribute::decodeLLVMAttributesForBitcode(Record[i+1]);
+          Attributes::decodeLLVMAttributesForBitcode(Record[i+1]);
         Record[i+1] = ReconstitutedAttr.Raw();
       }
 
diff --git a/lib/Bitcode/Writer/BitcodeWriter.cpp b/lib/Bitcode/Writer/BitcodeWriter.cpp
index 94ebe19..b3f1bb1 100644
--- a/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -177,7 +177,7 @@
     for (unsigned i = 0, e = A.getNumSlots(); i != e; ++i) {
       const AttributeWithIndex &PAWI = A.getSlot(i);
       Record.push_back(PAWI.Index);
-      Record.push_back(Attribute::encodeLLVMAttributesForBitcode(PAWI.Attrs));
+      Record.push_back(Attributes::encodeLLVMAttributesForBitcode(PAWI.Attrs));
     }
 
     Stream.EmitRecord(bitc::PARAMATTR_CODE_ENTRY, Record);