Sample profile summary cleanup

Replace references to MaxHeadSamples with MaxFunctionCount

Differential Revision: http://reviews.llvm.org/D18522

llvm-svn: 264686
diff --git a/llvm/unittests/ProfileData/SampleProfTest.cpp b/llvm/unittests/ProfileData/SampleProfTest.cpp
index b2e05c3..12533fa 100644
--- a/llvm/unittests/ProfileData/SampleProfTest.cpp
+++ b/llvm/unittests/ProfileData/SampleProfTest.cpp
@@ -100,7 +100,7 @@
       ASSERT_EQ(123603u, Summary.getTotalSamples());
       ASSERT_EQ(6u, Summary.getNumLinesWithSamples());
       ASSERT_EQ(2u, Summary.getNumFunctions());
-      ASSERT_EQ(1437u, Summary.getMaxHeadSamples());
+      ASSERT_EQ(1437u, Summary.getMaxFunctionCount());
       ASSERT_EQ(60351u, Summary.getMaxSamplesPerLine());
 
       uint32_t Cutoff = 800000;