NOT FOR COMMIT: Copying the path command data directly into the path byte stream buffer

third_party/WebKit/Source/wtf/Vector.h

Index: third_party/WebKit/Source/wtf/Vector.h
diff --git a/third_party/WebKit/Source/wtf/Vector.h b/third_party/WebKit/Source/wtf/Vector.h
index b2f2954352d50616b92000f0d3159109b7dd6f35..423cb3a4b4dd6e491f099779ddd8105f4c44a575 100644
--- a/third_party/WebKit/Source/wtf/Vector.h
+++ b/third_party/WebKit/Source/wtf/Vector.h
@@ -748,6 +748,7 @@ public:
     template <typename U> void append(const U&);
     template <typename U> void uncheckedAppend(const U& val);
     template <typename U, size_t otherCapacity, typename V> void appendVector(const Vector<U, otherCapacity, V>&);
+    T* appendUninitialized(size_t);
 
     template <typename U> void insert(size_t position, const U*, size_t);
     template <typename U> void insert(size_t position, const U&);
@@ -1194,6 +1195,22 @@ inline void Vector<T, inlineCapacity, Allocator>::appendVector(const Vector<U, o
 }
 
 template <typename T, size_t inlineCapacity, typename Allocator>
+T* Vector<T, inlineCapacity, Allocator>::appendUninitialized(size_t dataSize)
+{
+    ASSERT(Allocator::isAllocationAllowed());
+    size_t newSize = m_size + dataSize;
+    if (newSize > capacity()) {
+        expandCapacity(newSize);
+        ASSERT(begin());
+    }
+    RELEASE_ASSERT(newSize >= m_size);
+    T* dest = end();
+    ANNOTATE_CHANGE_SIZE(begin(), capacity(), m_size, newSize);
+    m_size = newSize;
+    return dest;
+}
+
+template <typename T, size_t inlineCapacity, typename Allocator>
 template <typename U>
 void Vector<T, inlineCapacity, Allocator>::insert(size_t position, const U* data, size_t dataSize)
 {