Fix cpplint whitespace/blank_line issues

Change-Id: Ice937e95e23dd622c17054551d4ae4cebd0ef8a2
diff --git a/runtime/gc/space/image_space.h b/runtime/gc/space/image_space.h
index fde2b41..bdda9fa 100644
--- a/runtime/gc/space/image_space.h
+++ b/runtime/gc/space/image_space.h
@@ -78,7 +78,6 @@
   void Dump(std::ostream& os) const;
 
  private:
-
   // Tries to initialize an ImageSpace from the given image path,
   // returning NULL on error.
   //
diff --git a/runtime/gc/space/large_object_space.cc b/runtime/gc/space/large_object_space.cc
index f7d776f..6aedd9c 100644
--- a/runtime/gc/space/large_object_space.cc
+++ b/runtime/gc/space/large_object_space.cc
@@ -49,9 +49,7 @@
 
 LargeObjectMapSpace::LargeObjectMapSpace(const std::string& name)
     : LargeObjectSpace(name),
-      lock_("large object map space lock", kAllocSpaceLock) {
-
-}
+      lock_("large object map space lock", kAllocSpaceLock) {}
 
 LargeObjectMapSpace* LargeObjectMapSpace::Create(const std::string& name) {
   return new LargeObjectMapSpace(name);
@@ -147,9 +145,7 @@
   AddFreeChunk(begin_, end_ - begin_, NULL);
 }
 
-FreeListSpace::~FreeListSpace() {
-
-}
+FreeListSpace::~FreeListSpace() {}
 
 void FreeListSpace::AddFreeChunk(void* address, size_t size, Chunk* previous) {
   Chunk* chunk = ChunkFromAddr(address);
diff --git a/runtime/gc/space/large_object_space.h b/runtime/gc/space/large_object_space.h
index db845db..20a4867 100644
--- a/runtime/gc/space/large_object_space.h
+++ b/runtime/gc/space/large_object_space.h
@@ -60,7 +60,6 @@
   size_t FreeList(Thread* self, size_t num_ptrs, mirror::Object** ptrs);
 
  protected:
-
   explicit LargeObjectSpace(const std::string& name);
 
   // Approximate number of bytes which have been allocated into the space.
@@ -165,6 +164,7 @@
       DCHECK(m_previous == NULL ||
             (m_previous != NULL && m_previous + m_previous->GetSize() / kAlignment == this));
     }
+
    private:
     size_t m_size;
     Chunk* m_previous;