Style bikeshed - remove extraneous whitespace

GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1842753002

Review URL: https://codereview.chromium.org/1842753002
diff --git a/src/ports/SkDebug_win.cpp b/src/ports/SkDebug_win.cpp
index 6e05766..b0c5725 100644
--- a/src/ports/SkDebug_win.cpp
+++ b/src/ports/SkDebug_win.cpp
@@ -1,4 +1,3 @@
-
 /*
  * Copyright 2010 Google Inc.
  *
diff --git a/src/ports/SkFontHost_mac.cpp b/src/ports/SkFontHost_mac.cpp
index 0755b64..53d5610 100644
--- a/src/ports/SkFontHost_mac.cpp
+++ b/src/ports/SkFontHost_mac.cpp
@@ -1,4 +1,3 @@
-
 /*
  * Copyright 2006 The Android Open Source Project
  *
diff --git a/src/ports/SkImageEncoder_WIC.cpp b/src/ports/SkImageEncoder_WIC.cpp
index 7911a40..5523ea2 100644
--- a/src/ports/SkImageEncoder_WIC.cpp
+++ b/src/ports/SkImageEncoder_WIC.cpp
@@ -1,4 +1,3 @@
-
 /*
  * Copyright 2011 Google Inc.
  *
@@ -50,7 +49,7 @@
 class SkImageEncoder_WIC : public SkImageEncoder {
 public:
     SkImageEncoder_WIC(Type t) : fType(t) {}
-    
+
     // DO NOT USE this constructor.  This exists only so SkForceLinking can
     // link the WIC image encoder.
     SkImageEncoder_WIC() {}
diff --git a/src/ports/SkImageEncoder_none.cpp b/src/ports/SkImageEncoder_none.cpp
index 33e07ac..c7d4b92 100644
--- a/src/ports/SkImageEncoder_none.cpp
+++ b/src/ports/SkImageEncoder_none.cpp
@@ -1,4 +1,3 @@
-
 /*
  * Copyright 2006 The Android Open Source Project
  *
diff --git a/src/ports/SkImageGeneratorCG.cpp b/src/ports/SkImageGeneratorCG.cpp
index 9be0b8c..c54eebf 100644
--- a/src/ports/SkImageGeneratorCG.cpp
+++ b/src/ports/SkImageGeneratorCG.cpp
@@ -33,7 +33,7 @@
     if (!imageSrc) {
         return nullptr;
     }
-    
+
     // Make sure we call CFRelease to free the imageSrc.  Since CFRelease actually takes
     // a const void*, we must cast the imageSrc to a const void*.
     SkAutoTCallVProc<const void, CFRelease> autoImageSrc(imageSrc);
@@ -42,7 +42,7 @@
     if (!properties) {
         return nullptr;
     }
-    
+
     CFNumberRef widthRef = (CFNumberRef) (CFDictionaryGetValue(properties,
             kCGImagePropertyPixelWidth));
     CFNumberRef heightRef = (CFNumberRef) (CFDictionaryGetValue(properties,
@@ -58,7 +58,7 @@
             !CFNumberGetValue(heightRef, kCFNumberIntType, &height)) {
         return nullptr;
     }
-    
+
     SkAlphaType alphaType = hasAlpha ? kPremul_SkAlphaType : kOpaque_SkAlphaType;
     SkImageInfo info = SkImageInfo::Make(width, height, kN32_SkColorType, alphaType);
 
@@ -85,7 +85,7 @@
         // FIXME: Support other colorTypes.
         return false;
     }
-    
+
     switch (info.alphaType()) {
         case kOpaque_SkAlphaType:
             if (kOpaque_SkAlphaType != this->getInfo().alphaType()) {
@@ -97,7 +97,7 @@
         default:
             return false;
     }
-    
+
     CGImageRef image = CGImageSourceCreateImageAtIndex((CGImageSourceRef) fImageSrc.get(), 0,
             nullptr);
     if (!image) {
diff --git a/src/ports/SkImageGeneratorCG.h b/src/ports/SkImageGeneratorCG.h
index cdfeae0..53102ea 100644
--- a/src/ports/SkImageGeneratorCG.h
+++ b/src/ports/SkImageGeneratorCG.h
@@ -36,7 +36,7 @@
 
     SkAutoTCallVProc<const void, CFRelease> fImageSrc;
     SkAutoTUnref<SkData>                    fData;
-    
+
     typedef SkImageGenerator INHERITED;
 };
 
diff --git a/src/ports/SkImageGeneratorWIC.h b/src/ports/SkImageGeneratorWIC.h
index 1366333..6f661ef 100644
--- a/src/ports/SkImageGeneratorWIC.h
+++ b/src/ports/SkImageGeneratorWIC.h
@@ -56,7 +56,7 @@
     SkTScopedComPtr<IWICImagingFactory> fImagingFactory;
     SkTScopedComPtr<IWICBitmapSource>   fImageSource;
     SkAutoTUnref<SkData>                fData;
-    
+
     typedef SkImageGenerator INHERITED;
 };
 
diff --git a/src/ports/SkOSEnvironment.cpp b/src/ports/SkOSEnvironment.cpp
index ab98e39..ec2cc36 100644
--- a/src/ports/SkOSEnvironment.cpp
+++ b/src/ports/SkOSEnvironment.cpp
@@ -1,4 +1,3 @@
-
 /*
  * Copyright 2015 Google Inc.
  *
@@ -17,4 +16,3 @@
     setenv(key, value, 1);
 #endif
 }
-
diff --git a/src/ports/SkOSEnvironment.h b/src/ports/SkOSEnvironment.h
index fdbce7a..33cbd3e 100644
--- a/src/ports/SkOSEnvironment.h
+++ b/src/ports/SkOSEnvironment.h
@@ -1,4 +1,3 @@
-
 /*
  * Copyright 2015 Google Inc.
  *
@@ -12,4 +11,3 @@
 void sk_setenv(const char* key, const char* value);
 
 #endif
-
diff --git a/src/ports/SkOSLibrary.h b/src/ports/SkOSLibrary.h
index 7de2b90..ea1378f 100644
--- a/src/ports/SkOSLibrary.h
+++ b/src/ports/SkOSLibrary.h
@@ -1,4 +1,3 @@
-
 /*
  * Copyright 2015 Google Inc.
  *
@@ -13,4 +12,3 @@
 void* GetProcedureAddress(void* library, const char* functionName);
 
 #endif
-
diff --git a/src/ports/SkOSLibrary_posix.cpp b/src/ports/SkOSLibrary_posix.cpp
index 1571e20..901ee22 100644
--- a/src/ports/SkOSLibrary_posix.cpp
+++ b/src/ports/SkOSLibrary_posix.cpp
@@ -1,4 +1,3 @@
-
 /*
  * Copyright 2015 Google Inc.
  *
diff --git a/src/ports/SkOSLibrary_win.cpp b/src/ports/SkOSLibrary_win.cpp
index 9defb7e..63d8d2d 100644
--- a/src/ports/SkOSLibrary_win.cpp
+++ b/src/ports/SkOSLibrary_win.cpp
@@ -1,4 +1,3 @@
-
 /*
  * Copyright 2015 Google Inc.
  *