Convert the pdf PerformPDFAction pyauto test to a browser test. While at it, verify that…

chrome/browser/ui/pdf/pdf_browsertest.cc

Index: chrome/browser/ui/pdf/pdf_browsertest.cc
===================================================================
--- chrome/browser/ui/pdf/pdf_browsertest.cc	(revision 152182)
+++ chrome/browser/ui/pdf/pdf_browsertest.cc	(working copy)
@@ -344,6 +344,37 @@
   }
 }
 
+IN_PROC_BROWSER_TEST_F(PDFBrowserTest, Action) {
+  ASSERT_NO_FATAL_FAILURE(Load());
+
+  ASSERT_TRUE(content::ExecuteJavaScript(
+      chrome::GetActiveWebContents(browser())->GetRenderViewHost(),
+      std::wstring(),
+      L"document.getElementsByName('plugin')[0].fitToHeight();"));
+
+  std::string zoom1, zoom2;
+  ASSERT_TRUE(content::ExecuteJavaScriptAndExtractString(
+      chrome::GetActiveWebContents(browser())->GetRenderViewHost(),
+      std::wstring(),
+      L"window.domAutomationController.send("
+      L"document.getElementsByName('plugin')[0].getZoomLevel().toString())",
+      &zoom1));
+
+  ASSERT_TRUE(content::ExecuteJavaScript(
+      chrome::GetActiveWebContents(browser())->GetRenderViewHost(),
+      std::wstring(),
+      L"document.getElementsByName('plugin')[0].fitToWidth();"));
+
+  ASSERT_TRUE(content::ExecuteJavaScriptAndExtractString(
+      chrome::GetActiveWebContents(browser())->GetRenderViewHost(),
+      std::wstring(),
+      L"window.domAutomationController.send("
+      L"document.getElementsByName('plugin')[0].getZoomLevel().toString())",
+      &zoom2));
+  ASSERT_NE(zoom1, zoom2);

[cevans, 2012/08/18 00:51:55]

Is the width/height of the browser window sufficiently deterministic in the
BROWSER_TEST world that this won't accidentally fail?

[jam, 2012/08/18 00:57:05]

Load() resizes the browser to 1000x600 and ensures that it's that big :)

+}
+
+
 // Flaky as per http://crbug.com/74549.
 IN_PROC_BROWSER_TEST_F(PDFBrowserTest, DISABLED_OnLoadAndReload) {
   ASSERT_TRUE(pdf_test_server()->Start());