add table pregeneration script for pmetric

R=djsollen@google.com

Review URL: https://codereview.chromium.org/19256002

git-svn-id: http://skia.googlecode.com/svn/trunk@10106 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/experimental/skpdiff/SkDiffContext.cpp b/experimental/skpdiff/SkDiffContext.cpp
index 78a2384..b599127 100644
--- a/experimental/skpdiff/SkDiffContext.cpp
+++ b/experimental/skpdiff/SkDiffContext.cpp
@@ -101,6 +101,7 @@
     }
 
     for (int baselineIndex = 0; baselineIndex < baselineEntries.count(); baselineIndex++) {
+        SkDebugf("[%i/%i] ", baselineIndex, baselineEntries.count());
         const char* baseFilename = baselineEntries[baselineIndex].c_str();
 
         // Find the real location of each file to compare
@@ -140,6 +141,7 @@
     }
 
     for (int entryIndex = 0; entryIndex < baselineEntries.count(); entryIndex++) {
+        SkDebugf("[%i/%i] ", entryIndex, baselineEntries.count());
         const char* baselineFilename = baselineEntries[entryIndex].c_str();
         const char* testFilename     = testEntries    [entryIndex].c_str();