Disable some PDF unit tests on Linux.

AccessibilityTest.GetAccessibilityLinkInfo
AccessibilityTest.GetAccessibilityPage
PDFiumPageLinkTest.TestAnnotLinkGeneration
PDFiumPageLinkTest.TestLinkGeneration
PDFiumPageTextTest.GetTextRunInfo
PDFiumPageTextTest.TestHighlightTextRunInfo

Tbr: thestig@chromium.org
Bug: 1135988
Change-Id: Ibf3a150a812a402e7e604c382d0d1fd372c4ccbd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2454076Reviewed-by: Vasilii Sukhanov <vasilii@chromium.org>
Commit-Queue: Vasilii Sukhanov <vasilii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#814622}

pdf/pdfium/accessibility_unittest.cc

@@ -6,6 +6,7 @@
 
 #include <string>
 
+#include "build/build_config.h"
 #include "pdf/pdfium/pdfium_engine.h"
 #include "pdf/pdfium/pdfium_test_base.h"
 #include "pdf/ppapi_migration/geometry_conversions.h"
@@ -39,7 +40,13 @@ double GetExpectedCharWidth(bool is_chromeos, size_t i, double expected) {
 // update the GetExpected... functions above. If that becomes too much of a
 // burden, consider changing the checks to just make sure the font metrics look
 // sane.
-TEST_F(AccessibilityTest, GetAccessibilityPage) {
+// Flaky on Linux only.  http://crbug.com/1135988
+#if defined(OS_LINUX)
+#define MAYBE_GetAccessibilityPage DISABLED_GetAccessibilityPage
+#else
+#define MAYBE_GetAccessibilityPage GetAccessibilityPage
+#endif
+TEST_F(AccessibilityTest, MAYBE_GetAccessibilityPage) {
   static constexpr size_t kExpectedTextRunCount = 2;
   struct {
     uint32_t len;
@@ -451,7 +458,13 @@ TEST_F(AccessibilityTest, TestInternalLinkClickActionHandling) {
   EXPECT_TRUE(client.url().empty());
 }
 
-TEST_F(AccessibilityTest, GetAccessibilityLinkInfo) {
+// Flaky on Linux only.  http://crbug.com/1135988
+#if defined(OS_LINUX)
+#define MAYBE_GetAccessibilityLinkInfo DISABLED_GetAccessibilityLinkInfo
+#else
+#define MAYBE_GetAccessibilityLinkInfo GetAccessibilityLinkInfo
+#endif
+TEST_F(AccessibilityTest, MAYBE_GetAccessibilityLinkInfo) {
   // Clone of pp::PDF::PrivateAccessibilityLinkInfo.
   struct {
     std::string url;

pdf/pdfium/pdfium_page_unittest.cc

@@ -14,6 +14,7 @@
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/test/gtest_util.h"
+#include "build/build_config.h"
 #include "cc/test/pixel_comparator.h"
 #include "cc/test/pixel_test_utils.h"
 #include "pdf/pdfium/pdfium_engine.h"
@@ -140,7 +141,13 @@ class PDFiumPageLinkTest : public PDFiumTestBase {
   }
 };
 
-TEST_F(PDFiumPageLinkTest, TestLinkGeneration) {
+// Flaky on Linux only.  http://crbug.com/1135988
+#if defined(OS_LINUX)
+#define MAYBE_TestLinkGeneration DISABLED_TestLinkGeneration
+#else
+#define MAYBE_TestLinkGeneration TestLinkGeneration
+#endif
+TEST_F(PDFiumPageLinkTest, MAYBE_TestLinkGeneration) {
   TestClient client;
   std::unique_ptr<PDFiumEngine> engine =
       InitializeEngine(&client, FILE_PATH_LITERAL("weblinks.pdf"));
@@ -182,7 +189,13 @@ TEST_F(PDFiumPageLinkTest, TestLinkGeneration) {
   EXPECT_EQ(gfx::Rect(82, 67, 161, 21), third_link.bounding_rects[0]);
 }
 
-TEST_F(PDFiumPageLinkTest, TestAnnotLinkGeneration) {
+// Flaky on Linux only.  http://crbug.com/1135988
+#if defined(OS_LINUX)
+#define MAYBE_TestAnnotLinkGeneration DISABLED_TestAnnotLinkGeneration
+#else
+#define MAYBE_TestAnnotLinkGeneration TestAnnotLinkGeneration
+#endif
+TEST_F(PDFiumPageLinkTest, MAYBE_TestAnnotLinkGeneration) {
   struct ExpectedLink {
     int32_t start_char_index;
     int32_t char_count;
@@ -350,7 +363,13 @@ TEST_F(PDFiumPageTextTest, TestTextRunBounds) {
       engine->GetCharBounds(kPageIndex, kSecondRunEndIndex)));
 }
 
-TEST_F(PDFiumPageTextTest, GetTextRunInfo) {
+// Flaky on Linux only.  http://crbug.com/1135988
+#if defined(OS_LINUX)
+#define MAYBE_GetTextRunInfo DISABLED_GetTextRunInfo
+#else
+#define MAYBE_GetTextRunInfo GetTextRunInfo
+#endif
+TEST_F(PDFiumPageTextTest, MAYBE_GetTextRunInfo) {
   TestClient client;
   std::unique_ptr<PDFiumEngine> engine =
       InitializeEngine(&client, FILE_PATH_LITERAL("weblinks.pdf"));
@@ -422,7 +441,13 @@ TEST_F(PDFiumPageTextTest, GetTextRunInfo) {
   ASSERT_FALSE(text_run_info_result.has_value());
 }
 
-TEST_F(PDFiumPageTextTest, TestHighlightTextRunInfo) {
+// Flaky on Linux only.  http://crbug.com/1135988
+#if defined(OS_LINUX)
+#define MAYBE_TestHighlightTextRunInfo DISABLED_TestHighlightTextRunInfo
+#else
+#define MAYBE_TestHighlightTextRunInfo TestHighlightTextRunInfo
+#endif
+TEST_F(PDFiumPageTextTest, MAYBE_TestHighlightTextRunInfo) {
   TestClient client;
   std::unique_ptr<PDFiumEngine> engine =
       InitializeEngine(&client, FILE_PATH_LITERAL("highlights.pdf"));