Update documentation to accurately reflect the new URL of depot_tools.

BUG=

Review URL: https://codereview.chromium.org/789733004

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@293401 0039d316-1c4b-4281-b951-d872f2087c98

man/html/depot_tools_tutorial.html

@@ -873,7 +873,7 @@ Litmus Test
 <div class="paragraph"><p>Clone the <em>depot_tools</em> repository:</p></div>
 <div class="listingblock">
 <div class="content">
-<pre><code><strong><span class="white">$ git clone https://chromium.googlesource.com/chromium/tools/depot_tools</span></strong></code></pre>
+<pre><code><strong><span class="white">$ git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git</span></strong></code></pre>
 </div></div>
 <div class="paragraph"><p>Add <em>depot_tools</em> to the <em>end</em> of your PATH (you will probably want to put this
 in your <code>~/.bashrc</code> or <code>~/.zshrc</code>). Assuming you cloned <em>depot_tools</em> to
@@ -902,7 +902,7 @@ autoupdate itself. You can use &#8220;Extract all&#8230;&#8221; from the context
 bundle to <code>C:\workspace\depot_tools</code>:</p></div>
 <div class="dlist"><dl>
 <dt class="hdlist1">
-With Administrator access: 
+With Administrator access:
 </dt>
 <dd>
 <p>
@@ -911,7 +911,7 @@ With Administrator access:
 <div class="paragraph"><p>Modify the PATH system variable to include <code>C:\workspace\depot_tools</code>.</p></div>
 </dd>
 <dt class="hdlist1">
-Without Administrator access: 
+Without Administrator access:
 </dt>
 <dd>
 <p>

man/man7/depot_tools_tutorial.7

@@ -227,7 +227,7 @@ Clone the \fIdepot_tools\fR repository:
 .RS 4
 .\}
 .nf
-\fB$ git clone https://chromium\&.googlesource\&.com/chromium/tools/depot_tools\fR
+\fB$ git clone https://chromium\&.googlesource\&.com/chromium/tools/depot_tools\&.git\fR
 .fi
 .if n \{\
 .RE