Fix linking errors in fuzzer targets.

Commit 86688dea moved some code out of a header, so now build targets
that used to only include the header need proper dependencies.

BUG=chromium:845771

Change-Id: I28603eea721b0ee19c2539ecf93fc3c22c3a8298
Reviewed-on: https://pdfium-review.googlesource.com/32895
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/testing/libfuzzer/BUILD.gn b/testing/libfuzzer/BUILD.gn
index aeceb25..912c537 100644
--- a/testing/libfuzzer/BUILD.gn
+++ b/testing/libfuzzer/BUILD.gn
@@ -100,6 +100,9 @@
         "pdf_codec_bmp_fuzzer.cc",
         "xfa_codec_fuzzer.h",
       ]
+      deps = [
+        "../../:test_support",
+      ]
     }
   }
 
@@ -109,6 +112,9 @@
         "pdf_codec_gif_fuzzer.cc",
         "xfa_codec_fuzzer.h",
       ]
+      deps = [
+        "../../:test_support",
+      ]
     }
 
     pdfium_fuzzer("pdf_lzw_fuzzer") {
@@ -123,6 +129,9 @@
       "pdf_codec_jpeg_fuzzer.cc",
       "xfa_codec_fuzzer.h",
     ]
+    deps = [
+      "../../:test_support",
+    ]
   }
 
   if (pdf_enable_xfa_png) {
@@ -131,6 +140,9 @@
         "pdf_codec_png_fuzzer.cc",
         "xfa_codec_fuzzer.h",
       ]
+      deps = [
+        "../../:test_support",
+      ]
     }
   }
 
@@ -140,6 +152,9 @@
         "pdf_codec_tiff_fuzzer.cc",
         "xfa_codec_fuzzer.h",
       ]
+      deps = [
+        "../../:test_support",
+      ]
     }
   }