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/samplecode/PerlinPatch.cpp b/samplecode/PerlinPatch.cpp
index acc1a4a719..d20a0fb838 100644
--- a/samplecode/PerlinPatch.cpp
+++ b/samplecode/PerlinPatch.cpp
@@ -147,7 +147,7 @@ protected:
             { fTexX + texWidth, fTexY + texHeight},
             { fTexX - texWidth, fTexY + texHeight}}
         ;
-        
+
         SkScalar scaleFreq = 2.0;
         fShader1 = SkPerlinNoiseShader::MakeImprovedNoise(fXFreq/scaleFreq, fYFreq/scaleFreq, 4,
                                                              fSeed);