Roll chromium_revision 3c45587..8cdf034 + rename libvpx_new

This brings in the renamed libvpx that happened in
https://codereview.chromium.org/1734613003/

TBR=fbarchard@chromium.org

Review URL: https://codereview.chromium.org/1764083002 .

.gitignore

@@ -45,7 +45,7 @@ pin-log.txt
 /third_party/libjpeg
 /third_party/libjpeg_turbo
 /third_party/libsrtp
-/third_party/libvpx_new
+/third_party/libvpx
 /third_party/libxml
 /third_party/libudev
 /third_party/libyuv

DEPS

@@ -7,7 +7,7 @@ vars = {
 
   # Roll the Chromium Git hash to pick up newer versions of all the
   # dependencies and tools linked to in setup_links.py.
-  'chromium_revision': '3c455872750c9d0f74266b04f97701a516ac9075',
+  'chromium_revision': '8cdf034791388299f18fba186f2941313320b706',
 }
 
 # NOTE: Prefer revision numbers to tags for svn deps. Use http rather than

setup_links.py

@@ -49,7 +49,7 @@ DIRECTORIES = [
   'third_party/libjpeg_turbo',
   'third_party/libsrtp',
   'third_party/libudev',
-  'third_party/libvpx_new',
+  'third_party/libvpx',
   'third_party/libyuv',
   'third_party/llvm-build',
   'third_party/lss',