Use factories instead of directly creating SkImageInfo.

tests/DeferredCanvasTest.cpp

Index: tests/DeferredCanvasTest.cpp
===================================================================
--- tests/DeferredCanvasTest.cpp	(revision 13479)
+++ tests/DeferredCanvasTest.cpp	(working copy)
@@ -692,12 +692,7 @@
 }
 
 static void TestDeferredCanvasSurface(skiatest::Reporter* reporter, GrContextFactory* factory) {
-    SkImageInfo imageSpec = {
-        10,  // width
-        10,  // height
-        kPMColor_SkColorType,
-        kPremul_SkAlphaType
-    };
+    SkImageInfo imageSpec = SkImageInfo::MakeN32Premul(10, 10);
     SkSurface* surface;
     bool useGpu = NULL != factory;
 #if SK_SUPPORT_GPU
@@ -763,12 +758,7 @@
 }
 
 static void TestDeferredCanvasSetSurface(skiatest::Reporter* reporter, GrContextFactory* factory) {
-    SkImageInfo imageSpec = {
-        10,  // width
-        10,  // height
-        kPMColor_SkColorType,
-        kPremul_SkAlphaType
-    };
+    SkImageInfo imageSpec = SkImageInfo::MakeN32Premul(10, 10);
     SkSurface* surface;
     SkSurface* alternateSurface;
     bool useGpu = NULL != factory;