Fix cpplint errors in cc/(animation|input|layers|trees|test)/

cc/scheduler/delay_based_time_source_unittest.cc

Index: cc/scheduler/delay_based_time_source_unittest.cc
diff --git a/cc/scheduler/delay_based_time_source_unittest.cc b/cc/scheduler/delay_based_time_source_unittest.cc
index a4493a524f61749957e73f38b6487a98052fde92..c3681950c3b78bcc9f056392a464dba9b9df3435 100644
--- a/cc/scheduler/delay_based_time_source_unittest.cc
+++ b/cc/scheduler/delay_based_time_source_unittest.cc
@@ -4,6 +4,7 @@
 
 #include "cc/scheduler/delay_based_time_source.h"
 
+#include "base/basictypes.h"
 #include "cc/base/thread.h"
 #include "cc/test/scheduler_test_common.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ -303,7 +304,7 @@ TEST(DelayBasedTimeSourceTest, AchievesTargetRateWithNoNoise) {
 
   double total_frame_time = 0.0;
   for (int i = 0; i < num_iterations; ++i) {
-    long long delay_ms = thread.PendingDelayMs();
+    int64 delay_ms = thread.PendingDelayMs();
 
     // accumulate the "delay"
     total_frame_time += delay_ms / 1000.0;