decode_perf_test: drop '_t' from local typenames

_t is reserved by posix

+ switch to camelcase
  http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml#Type_Names

Change-Id: I5fdd6319449364f2e930667d3bd54f68ba3cbb2e

test/decode_perf_test.cc

@@ -29,9 +29,9 @@ const double kUsecsInSec = 1000000.0;
 /*
  DecodePerfTest takes a tuple of filename + number of threads to decode with
  */
-typedef std::tr1::tuple<const char *, unsigned> decode_perf_param_t;
+typedef std::tr1::tuple<const char *, unsigned> DecodePerfParam;
 
-const decode_perf_param_t kVP9DecodePerfVectors[] = {
+const DecodePerfParam kVP9DecodePerfVectors[] = {
   make_tuple("vp90-2-bbb_426x240_tile_1x1_180kbps.webm", 1),
   make_tuple("vp90-2-bbb_640x360_tile_1x2_337kbps.webm", 2),
   make_tuple("vp90-2-bbb_854x480_tile_1x2_651kbps.webm", 2),
@@ -64,7 +64,7 @@ const decode_perf_param_t kVP9DecodePerfVectors[] = {
    power/temp/min max frame decode times/etc
  */
 
-class DecodePerfTest : public ::testing::TestWithParam<decode_perf_param_t> {
+class DecodePerfTest : public ::testing::TestWithParam<DecodePerfParam> {
 };
 
 TEST_P(DecodePerfTest, PerfTest) {