Revert of Improve linearized pdf load/show time.

pdf/BUILD.gn

Index: pdf/BUILD.gn
diff --git a/pdf/BUILD.gn b/pdf/BUILD.gn
index c5556563ba2df0ce71463f4c58042015817ec3aa..f017ed2ff4468ec5525533e41ebc7bcb0322af48 100644
--- a/pdf/BUILD.gn
+++ b/pdf/BUILD.gn
@@ -3,7 +3,6 @@
 # found in the LICENSE file.
 
 import("//build/config/features.gni")
-import("//testing/test.gni")
 import("//third_party/pdfium/pdfium.gni")
 
 assert(enable_pdf)
@@ -18,10 +17,10 @@
     "//ppapi/cpp:objects",
     "//ppapi/cpp/private:internal_module",
     "//ui/base",
-    "//ui/gfx/range",
   ]
 
   sources = [
+    "chunk_stream.cc",
     "chunk_stream.h",
     "document_loader.cc",
     "document_loader.h",
@@ -38,13 +37,6 @@
     "pdf_engine.h",
     "preview_mode_client.cc",
     "preview_mode_client.h",
-    "range_set.cc",
-    "range_set.h",
-    "timer.cc",
-    "timer.h",
-    "url_loader_wrapper.h",
-    "url_loader_wrapper_impl.cc",
-    "url_loader_wrapper_impl.h",
   ]
 
   # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
@@ -78,23 +70,3 @@
     defines += [ "PDF_ENABLE_XFA" ]
   }
 }
-
-test("pdf_unittests") {
-  sources = [
-    "chunk_stream_unittest.cc",
-    "document_loader_unittest.cc",
-    "range_set_unittest.cc",
-    "run_all_unittests.cc",
-  ]
-
-  deps = [
-    ":pdf",
-    "//base",
-    "//base/test:test_support",
-    "//ppapi/c",
-    "//ppapi/cpp",
-    "//testing/gmock",
-    "//testing/gtest",
-    "//ui/gfx/range",
-  ]
-}