tests: add --veryVerbose / -V

BUG=skia:
R=caryclark@google.com

Author: mtklein@google.com

Review URL: https://codereview.chromium.org/135723013

git-svn-id: http://skia.googlecode.com/svn/trunk@13226 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/skia_test.cpp b/tests/skia_test.cpp
index fd7f3a3..f9e4097 100644
--- a/tests/skia_test.cpp
+++ b/tests/skia_test.cpp
@@ -34,7 +34,8 @@
 DEFINE_bool2(extendedTest, x, false, "run extended tests for pathOps.");
 DEFINE_bool2(leaks, l, false, "show leaked ref cnt'd objects.");
 DEFINE_bool2(single, z, false, "run tests on a single thread internally.");
-DEFINE_bool2(verbose, v, false, "enable verbose output.");
+DEFINE_bool2(verbose, v, false, "enable verbose output from the test driver.");
+DEFINE_bool2(veryVerbose, V, false, "tell individual tests to be verbose.");
 DEFINE_int32(threads, SkThreadPool::kThreadPerCore,
              "Run threadsafe tests on a threadpool with this many threads.");
 
@@ -67,7 +68,7 @@
 
     virtual bool allowExtendedTest() const SK_OVERRIDE { return FLAGS_extendedTest; }
     virtual bool allowThreaded()     const SK_OVERRIDE { return !FLAGS_single; }
-    virtual bool verbose()           const SK_OVERRIDE { return FLAGS_verbose; }
+    virtual bool verbose()           const SK_OVERRIDE { return FLAGS_veryVerbose; }
 
 protected:
     virtual void onReportFailed(const SkString& desc) SK_OVERRIDE {