Remove trailing whitespace.

Also adds a presubmit to prevent adding trailing whitespace to source
code in the future.

Change-Id: I41a4df81487f6f00aa19b188f0cac6a3377efde6
Reviewed-on: https://skia-review.googlesource.com/57380
Reviewed-by: Ravi Mistry <rmistry@google.com>
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/DiscardableMemoryTest.cpp b/tests/DiscardableMemoryTest.cpp
index 818fbea2e3..2b09533b0c 100644
--- a/tests/DiscardableMemoryTest.cpp
+++ b/tests/DiscardableMemoryTest.cpp
@@ -57,4 +57,4 @@ DEF_TEST(DiscardableMemory_nonglobal, reporter) {
     std::unique_ptr<SkDiscardableMemory> dm(pool->create(kTestStringLength));
     test_dm(reporter, dm.get(), true);
 }
-    
+