Move SkShader::fLocalMatrix into SkShader constructor.

As a first step towards removing SkShader::setLocalMatrix, which will make
SkShader thread-safe, remove calls to setLocalMatrix that happen immediately
after the shader is being created. Instead, pass the matrix into the constructor
or factory method.

BUG=skia:1976
R=scroggo@google.com, reed@google.com, skyostil@google.com, mtklein@google.com

Author: dominikg@chromium.org

Review URL: https://codereview.chromium.org/245963010

git-svn-id: http://skia.googlecode.com/svn/trunk@14401 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/clippedbitmapshaders.cpp b/gm/clippedbitmapshaders.cpp
index 72c0474..ee20847 100644
--- a/gm/clippedbitmapshaders.cpp
+++ b/gm/clippedbitmapshaders.cpp
@@ -78,15 +78,14 @@
 
     virtual void onDraw(SkCanvas* canvas) {
         SkBitmap bmp = create_bitmap();
-        SkShader* shader = SkShader::CreateBitmapShader(
-                bmp, fMode, fMode);
-
-        SkPaint paint;
         SkMatrix s;
         s.reset();
         s.setScale(8, 8);
         s.postTranslate(SLIDE_SIZE / 2, SLIDE_SIZE / 2);
-        shader->setLocalMatrix(s);
+        SkShader* shader = SkShader::CreateBitmapShader(
+                bmp, fMode, fMode, &s);
+
+        SkPaint paint;
         paint.setShader(shader)->unref();
 
         if (fHQ) {