Revert of roll gyp ed163ce233:61259d585c (patchset #2 id:20001 of https://codereview.chromium.org/1766033002/ )

Reason for revert:
win trunk bot started failing after this patch:

[45/14742] CXX obj\third_party\angle\src\libGLESv2\libGLESv2.entry_points_gles_2_0.obj
FAILED: ninja -t msvc -e environment.x86 -- "C:\b\depot_tools\win_toolchain\vs2013_files\4087e065abebdca6dbd0caca2910c6718d2ec67f\VC\bin\amd64_x86\cl.exe" /nologo /showIncludes /FC @obj\third_party\webkit\source\build\win\blink_heap_asm_stubs.precompile.obj.rsp /c ..\..\third_party\WebKit\Source\build\win\Precompile.cpp /Foobj\third_party\webkit\source\build\win\blink_heap_asm_stubs.precompile.obj /Fdobj\third_party\WebKit\Source\platform\blink_heap_asm_stubs.cc.pdb
c:\b\build\slave\win_trunk\build\src\third_party\webkit\source\build\win\precompile.cpp : fatal error C1083: Cannot open include file: 'third_party/WebKit/Source/build/win/Precompile.h': No such file or directory
FAILED: ninja -t msvc -e environment.x86 -- "C:\b\depot_tools\win_toolchain\vs2013_files\4087e065abebdca6dbd0caca2910c6718d2ec67f\VC\bin\amd64_x86\cl.exe" /nologo /showIncludes /FC @obj\build\harfbuzz-ng.precompile.obj.rsp /c ..\..\build\precompile.cc /Foobj\build\harfbuzz-ng.precompile.obj /Fdobj\third_party\harfbuzz-ng\harfbuzz-ng.cc.pdb
c:\b\build\slave\win_trunk\build\src\build\precompile.cc : fatal error C1083: Cannot open include file: 'build/precompile.h': No such file or directory
ninja: build stopped: subcommand failed.

Builder: https://uberchromegw.corp.google.com/i/official.desktop.continuous/builders/win%20trunk

Job: https://uberchromegw.corp.google.com/i/official.desktop.continuous/builders/win%20trunk/builds/26144

Logs:https://uberchromegw.corp.google.com/i/official.desktop.continuous/builders/win%20trunk/builds/26144/steps/compile/logs/stdio

Original issue's description:
> roll gyp ed163ce233:61259d585c
>
> 61259d5 ninja/win: Use qualified paths for precompiled headers.
> 1950f67 Xcode-ninja: Add excluded files to the project sources_for_indexing.xcodeproj
> d84fed2 Fix tests with Xcode 7.
> 0cd47bf Make login.keychain and 'Provisioning Profiles' symlinks.
>
> BUG=none
> TBR=scottmg
>
> Committed: https://crrev.com/f90f632aa4e1fc9750ea41a9f6ebdee1240aa678
> Cr-Commit-Position: refs/heads/master@{#379373}

TBR=scottmg@chromium.org,thakis@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=none

Review URL: https://codereview.chromium.org/1759323004

Cr-Commit-Position: refs/heads/master@{#379392}

3 files changed, 3 insertions, 3 deletions

diff --git a/DEPS b/DEPS
index 63a8017..ed653e0 100644
--- a/DEPS
+++ b/DEPS
@@ -149,7 +149,7 @@ deps = {
     Var('chromium_git') + '/external/snappy.git' + '@' + '762bb32f0c9d2f31ba4958c7c0933d22e80c20bf',
 
   'src/tools/gyp':
-    Var('chromium_git') + '/external/gyp.git' + '@' + '61259d585ce99d9de8b35188cd0025bdbcb58411',
+    Var('chromium_git') + '/external/gyp.git' + '@' + 'ed163ce233f76a950dce1751ac851dbe4b1c00cc',
 
   'src/tools/swarming_client':
    Var('chromium_git') + '/external/swarming.client.git' + '@' +  Var('swarming_revision'),
diff --git a/build/win_precompile.gypi b/build/win_precompile.gypi
index 45a0afc..fb86076 100644
--- a/build/win_precompile.gypi
+++ b/build/win_precompile.gypi
@@ -11,7 +11,7 @@
   'conditions': [
     ['OS=="win" and chromium_win_pch==1', {
         'target_defaults': {
-          'msvs_precompiled_header': 'build/precompile.h',
+          'msvs_precompiled_header': '<(DEPTH)/build/precompile.h',
           'msvs_precompiled_source': '<(DEPTH)/build/precompile.cc',
           'sources': ['<(DEPTH)/build/precompile.cc'],
         }
diff --git a/third_party/WebKit/Source/build/win/precompile.gypi b/third_party/WebKit/Source/build/win/precompile.gypi
index 02dd3c7..8cb3a9e 100644
--- a/third_party/WebKit/Source/build/win/precompile.gypi
+++ b/third_party/WebKit/Source/build/win/precompile.gypi
@@ -33,7 +33,7 @@
   'conditions': [
       ['OS=="win" and chromium_win_pch==1', {
           'target_defaults': {
-              'msvs_precompiled_header': 'third_party/WebKit/Source/build/win/Precompile.h',
+              'msvs_precompiled_header': '<(DEPTH)/third_party/WebKit/Source/build/win/Precompile.h',
               'msvs_precompiled_source': '<(DEPTH)/third_party/WebKit/Source/build/win/Precompile.cpp',
               'sources': ['<(DEPTH)/third_party/WebKit/Source/build/win/Precompile.cpp'],
           }