Guarded shrink setting with ifdefs to make clear where it is used.

printing/printed_page_unittest.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "printing/printed_page.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace printing {
 
 TEST(PrintedPageTest, GetCenteredPageContentRect) {
   scoped_refptr<PrintedPage> page;
   gfx::Rect page_content;
 
   // No centering.
-  page = new PrintedPage(1,
-                         NULL,
-                         gfx::Size(1200, 1200),
-                         gfx::Rect(0, 0, 400, 1100),
-                         0.2f);
+  page = new PrintedPage(
+      1, NULL, gfx::Size(1200, 1200), gfx::Rect(0, 0, 400, 1100));
   page->GetCenteredPageContentRect(gfx::Size(1000, 1000), &page_content);
   EXPECT_EQ(0, page_content.x());
   EXPECT_EQ(0, page_content.y());
   EXPECT_EQ(400, page_content.width());
   EXPECT_EQ(1100, page_content.height());
-  EXPECT_EQ(0.2f, page->shrink_factor());
 
   // X centered.
-  page = new PrintedPage(1,
-                         NULL,
-                         gfx::Size(500, 1200),
-                         gfx::Rect(0, 0, 400, 1100),
-                         0.8f);
+  page = new PrintedPage(
+      1, NULL, gfx::Size(500, 1200), gfx::Rect(0, 0, 400, 1100));
   page->GetCenteredPageContentRect(gfx::Size(1000, 1000), &page_content);
   EXPECT_EQ(250, page_content.x());
   EXPECT_EQ(0, page_content.y());
   EXPECT_EQ(400, page_content.width());
   EXPECT_EQ(1100, page_content.height());
-  EXPECT_EQ(0.8f, page->shrink_factor());
 
   // Y centered.
-  page = new PrintedPage(1,
-                         NULL,
-                         gfx::Size(1200, 500),
-                         gfx::Rect(0, 0, 400, 1100),
-                         1.0f);
+  page = new PrintedPage(
+      1, NULL, gfx::Size(1200, 500), gfx::Rect(0, 0, 400, 1100));
   page->GetCenteredPageContentRect(gfx::Size(1000, 1000), &page_content);
   EXPECT_EQ(0, page_content.x());
   EXPECT_EQ(250, page_content.y());
   EXPECT_EQ(400, page_content.width());
   EXPECT_EQ(1100, page_content.height());
-  EXPECT_EQ(1.0f, page->shrink_factor());
 
   // Both X and Y centered.
-  page = new PrintedPage(1,
-                         NULL,
-                         gfx::Size(500, 500),
-                         gfx::Rect(0, 0, 400, 1100),
-                         0.3f);
+  page =
+      new PrintedPage(1, NULL, gfx::Size(500, 500), gfx::Rect(0, 0, 400, 1100));
   page->GetCenteredPageContentRect(gfx::Size(1000, 1000), &page_content);
   EXPECT_EQ(250, page_content.x());
   EXPECT_EQ(250, page_content.y());
   EXPECT_EQ(400, page_content.width());
   EXPECT_EQ(1100, page_content.height());
-  EXPECT_EQ(0.3f, page->shrink_factor());
 }
 
+#if defined(OS_WIN)
+TEST(PrintedPageTest, Shrink) {
+  scoped_refptr<PrintedPage> page = new PrintedPage(
+      1, NULL, gfx::Size(1200, 1200), gfx::Rect(0, 0, 400, 1100));
+  EXPECT_EQ(0.0f, page->shrink_factor());
+  page->set_shrink_factor(0.2f);
+  EXPECT_EQ(0.2f, page->shrink_factor());
+  page->set_shrink_factor(0.7f);
+  EXPECT_EQ(0.7f, page->shrink_factor());
+}
+#endif  // OS_WIN
+
 }  // namespace printing