Convert DEPS to git mirrors, round 1.
Convert DEPS to git mirrors, round 1.

BUG=397240
R=iannucci@chromium.org,agable@chromium.org,mmoss@chromium.org

Rolled src/breakpad/src
    from revision 17f614cd8365f5b78577ffcc237300a970db9813
    to revision 17f614cd8365f5b78577ffcc237300a970db9813
Summary of changes available at:
    https://chromium.googlesource.com/external/google-breakpad/src/+log/17f614cd8365..17f614cd8365

Rolled src/sdch/open-vcdiff
    from revision 438f2a5be6d809bc21611a94cd37bfc8c28ceb33
    to revision 438f2a5be6d809bc21611a94cd37bfc8c28ceb33
Summary of changes available at:
    https://chromium.googlesource.com/external/open-vcdiff/+log/438f2a5be6d8..438f2a5be6d8

Rolled src/testing/gtest
    from revision 4650552ff637bb44ecf7784060091cbed3252211
    to revision 4650552ff637bb44ecf7784060091cbed3252211
Summary of changes available at:
    https://chromium.googlesource.com/external/googletest/+log/4650552ff637..4650552ff637

Rolled src/testing/gmock
    from revision 896ba0e03f520fb9b6ed582bde2bd00847e3c3f2
    to revision 896ba0e03f520fb9b6ed582bde2bd00847e3c3f2
Summary of changes available at:
    https://chromium.googlesource.com/external/googlemock/+log/896ba0e03f52..896ba0e03f52

Rolled src/third_party/trace-viewer
    from revision 5f89b7cd5732ddf7e783bb6c9fe57bb8a7cf74e2
    to revision 5f89b7cd5732ddf7e783bb6c9fe57bb8a7cf74e2
Summary of changes available at:
    https://chromium.googlesource.com/external/trace-viewer/+log/5f89b7cd5732..5f89b7cd5732

Review URL: https://codereview.chromium.org/478473002

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@289792 0039d316-1c4b-4281-b951-d872f2087c98

bright-sparks/chromium-spacewalk,littlstar/chromium.src,littlstar/chromium.src,littlstar/chromium.src,littlstar/chromium.src,bright-sparks/chromium-spacewalk,bright-sparks/chromium-spacewalk,littlstar/chromium.src,bright-sparks/chromium-spacewalk,littlstar/chromium.src,ondra-novak/chromium.src,bright-sparks/chromium-spacewalk,ondra-novak/chromium.src,bright-sparks/chromium-spacewalk,ondra-novak/chromium.src,bright-sparks/chromium-spacewalk,bright-sparks/chromium-spacewalk,littlstar/chromium.src,ondra-novak/chromium.src,bright-sparks/chromium-spacewalk,ondra-novak/chromium.src,ondra-novak/chromium.src,ondra-novak/chromium.src,ondra-novak/chromium.src,littlstar/chromium.src,ondra-novak/chromium.src