Revert "[PDF] Add GM and infrastructure to test drawing shaders with an initial transform."

This reverts r3450

TBR=reed@google.com

Review URL: https://codereview.appspot.com/5864050

git-svn-id: http://skia.googlecode.com/svn/trunk@3451 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/gmmain.cpp b/gm/gmmain.cpp
index 1e63bb6..61095e1 100644
--- a/gm/gmmain.cpp
+++ b/gm/gmmain.cpp
@@ -264,10 +264,7 @@
     }
 }
 
-static void invokeGM(GM* gm, SkCanvas* canvas, bool isPDF = false) {
-    if (!isPDF) {
-        canvas->setMatrix(gm->getInitialTransform());
-    }
+static void invokeGM(GM* gm, SkCanvas* canvas) {
     installFilter(canvas);
     gm->draw(canvas);
     canvas->setDrawFilter(NULL);
@@ -326,26 +323,14 @@
 
 static void generate_pdf(GM* gm, SkDynamicMemoryWStream& pdf) {
 #ifdef SK_SUPPORT_PDF
-    SkMatrix initialTransform = gm->getInitialTransform();
-    SkISize pageSize = gm->getISize();
-    SkPDFDevice* dev = NULL;
-    if (initialTransform.isIdentity()) {
-        dev = new SkPDFDevice(pageSize, pageSize, initialTransform);
-    } else {
-        SkRect content = SkRect::MakeWH(SkIntToScalar(pageSize.width()),
-                                        SkIntToScalar(pageSize.height()));
-        initialTransform.mapRect(&content);
-        content.intersect(0, 0, SkIntToScalar(pageSize.width()),
-                                SkIntToScalar(pageSize.height()));
-        SkISize contentSize =
-            SkISize::Make(SkScalarRoundToInt(content.width()),
-                          SkScalarRoundToInt(content.height()));
-        dev = new SkPDFDevice(pageSize, contentSize, initialTransform);
-    }
+    SkISize size = gm->getISize();
+    SkMatrix identity;
+    identity.reset();
+    SkPDFDevice* dev = new SkPDFDevice(size, size, identity);
     SkAutoUnref aur(dev);
 
     SkCanvas c(dev);
-    invokeGM(gm, &c, true);
+    invokeGM(gm, &c);
 
     SkPDFDocument doc;
     doc.appendPage(dev);