More win64 warning fixes

dm/DMWriteTask.cpp

 #include "DMWriteTask.h"
 
 #include "DMJsonWriter.h"
 #include "DMUtil.h"
 #include "SkColorPriv.h"
 #include "SkCommonFlags.h"
 #include "SkData.h"
 #include "SkImageEncoder.h"
 #include "SkMD5.h"
 #include "SkMallocPixelRef.h"
 #include "SkOSFile.h"
 #include "SkStream.h"
 #include "SkString.h"
 
 DEFINE_bool(nameByHash, false, "If true, write .../hash.png instead of .../mode/config/name.png");
 
 namespace DM {
 
 // Splits off the last N suffixes of name (splitting on _) and appends them to out.
 // Returns the total number of characters consumed.
 static int split_suffixes(int N, const char* name, SkTArray<SkString>* out) {
     SkTArray<SkString> split;
     SkStrSplit(name, "_", &split);
     int consumed = 0;
     for (int i = 0; i < N; i++) {
         // We're splitting off suffixes from the back to front.
         out->push_back(split[split.count()-i-1]);
-        consumed += out->back().size() + 1;  // Add one for the _.
+        consumed += SkToInt(out->back().size() + 1);  // Add one for the _.
     }
     return consumed;
 }
 
 inline static SkString find_base_name(const Task& parent, SkTArray<SkString>* suffixList) {
     const int suffixes = parent.depth() + 1;
     const SkString& name = parent.name();
     const int totalSuffixLength = split_suffixes(suffixes, name.c_str(), suffixList);
     return SkString(name.c_str(), name.size() - totalSuffixLength);
 }
@@ skipping 127 matching lines @@
     }
     name.append(fBaseName.c_str());
     return name;
 }
 
 bool WriteTask::shouldSkip() const {
     return FLAGS_writePath.isEmpty();
 }
 
 }  // namespace DM