Remove redundant pdfium_fuzzer dependency.

They are already specified on the PDFium side. One of these has moved so
depending on it is breaking the DEPS roller.

Also roll src/third_party/pdfium 29b708e7af32..e421d384ca88 (20 commits)

https://pdfium.googlesource.com/pdfium.git/+log/29b708e7af32..e421d384ca88

2018-10-12 thestig@chromium.org Do IWYU in xfa.
2018-10-12 tsepez@chromium.org Beef up CJS_Document method coverage.
2018-10-12 thestig@chromium.org Split core/fxcrt build rules into core/fxcrt/BUILD.gn.
2018-10-12 tsepez@chromium.org Add test for CJS_Annot JS callbacks.
2018-10-12 thestig@chromium.org Remove more unnecessary includes and do IWYU as needed.
2018-10-12 thestig@chromium.org Split most core build rules into various BUILD.gn files in core.
2018-10-12 thestig@chromium.org Move core/fdrm/crypto/* to core/fdrm/.
2018-10-12 thestig@chromium.org Split constants and testing build rules into their own BUILD.gn files.
2018-10-12 tsepez@chromium.org Add test for CJS_Color properties.
2018-10-12 tsepez@chromium.org Add tests for CJS_Console methods.
2018-10-12 thestig@chromium.org Split fpdfsdk build rules into various BUILD.gn files in fpdfsdk.
2018-10-12 thestig@chromium.org Split fxjs build rules into fxjs/BUILD.gn.
2018-10-12 thestig@chromium.org Split xfa build rules into various BUILD.gn files in xfa/.
2018-10-12 thestig@chromium.org Slightly simplify CPDF_FormField's notify methods.
2018-10-12 thestig@chromium.org Rename CPDF_{Array,Dictionary}::GetCount() to size().
2018-10-12 thestig@chromium.org Forward declare more in codec code.
2018-10-12 thestig@chromium.org Remove redundent ASSERT + if checks in CPDF_FormControl.
2018-10-12 thestig@chromium.org Split fxbarcode build rules into fxbarcode/BUILD.gn.
2018-10-12 thestig@chromium.org Add minimal pixel test for a rendering bug.
2018-10-12 thestig@chromium.org Fix naming for CPDF_FormField::Type enum.

TBR=tsepez@chromium.org

Change-Id: Ifbdb52bf0d184cd03206979fc4f50c750bd4f343
Reviewed-on: https://chromium-review.googlesource.com/c/1279362
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/master@{#599476}

DEPS

@@ -129,7 +129,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.
-  'pdfium_revision': '29b708e7af32de30d946b4bb609b390187987cb5',
+  'pdfium_revision': 'e421d384ca88046c989991581d9abb044cddd009',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling openmax_dl
   # and whatever else without interference from each other.

pdf/pdfium/fuzzers/BUILD.gn

@@ -65,10 +65,6 @@ fuzzer_test("pdfium_fuzzer") {
   ]
   dict = "dicts/pdf.dict"
   seed_corpus = "//third_party/pdfium/testing/resources"
-  deps += [
-    "//third_party/pdfium",
-    "//third_party/pdfium:test_support",
-  ]
 }
 
 fuzzer_test("pdf_cmap_fuzzer") {